CN106814527A - Projecting apparatus - Google Patents

Abstract

The present invention provides projecting apparatus, can be to multiple cooling object supply cooling gas.Projecting apparatus of the invention has：Light source；Optic modulating device, it is modulated to the light projected from light source；Projecting optical device, its to being modulated by optic modulating device after light project；Light path changes element (inverting element (5)), and its configuration changes the light path of the light after being modulated by optic modulating device by swinging between optic modulating device and projecting optical device；And cooling device (4), its cooling optic modulating device and light path change element (inverting element (5)).

Description

Projecting apparatus

Technical field

The present invention relates to projecting apparatus.

Background technology

In the past, it is known that such projecting apparatus, the projecting apparatus possesses：Lighting device；Optic modulating device, it from the illumination to filling The light for putting injection is modulated and forms image corresponding with image information；And projecting optical device, it amplifies the image Screen etc. is projected in be projected on face (for example, referring to patent document 1).

Projecting apparatus described in the patent document 1 has：Color-splitting optical device, be separated into for the light beam projected from light source by it The white light of red, green and blue；3 liquid crystal panels, they are set for each coloured light isolated；Prism, it will be by this 3 Coloured light synthesis after liquid crystal panel modulation；Above-mentioned projecting optical device, it is projected to the light after synthesis；And cooling dress Put, the air imported from hull outside is delivered to liquid crystal panel by it, cooled down with to the liquid crystal panel.In these parts, Cooling device is set according to the quantity of liquid crystal panel, and each cooling fan is separately conveyed to corresponding liquid crystal panel Cooling air.

Patent document 1：Japanese Unexamined Patent Publication 2001-312003 publications

In addition, in recent years, the high resolution of projected image is also desirable that in terms of projecting apparatus.Thus, compared to liquid crystal surface The resolution ratio of the optic modulating devices such as plate, in order to improve the resolution ratio of projected image, it is considered to filled in the prism and projection optics Be provided between putting change the light light path light path change element, change from optic modulating device project image light optical axis Scheme.

But, because the change element configuration of above-mentioned light path is between prism and projecting optical device, therefore, patent document 1 The cooling device of described projecting apparatus cannot be cooled down to light path change element.Additionally, there are following such problems：By Make light path change element in maximization and the high brightness of projecting apparatus to maximize, due to changing the drive of element along with the light path Dynamic heating and cause the light path to change the function reduction of element.

It is therefore desirable to one kind can be to multiple cooling object supply cooling gas such as optic modulating device and light path change element Projecting apparatus.

Additionally, there are following worries：Projecting apparatus with light path change element is for example used in the movable meeting of open air etc. During field, grease or dust based on smog etc. can be attached on light path change element.In this case, exist and light path is changed The drive belt of element is come the problem that influences.

Therefore, seek a kind of to make dust etc. be difficult to be attached to the projecting apparatus on light path change element.

The content of the invention

Present invention aim at least a portion solved in above-mentioned problem, the first purpose is that offer can be cold to multiple But object supplies the projecting apparatus of cooling gas, further it is provided that the projecting apparatus that dust is attached on light path change element can be suppressed.

The projecting apparatus of a form of the invention is characterized by：Light source；Optic modulating device, it is to from the light source The light of injection is modulated；Projecting optical device, it is projected to the light after being modulated by the optic modulating device；Light path is changed Element, its configuration is changed by the light modulation between the optic modulating device and the projecting optical device by swinging The light path of the light after device modulates；And cooling device, it cools down the optic modulating device and light path change element.

Element is changed as above-mentioned light path, the inverting element of the light path of the incident light of change can be exemplified.

According to said one form, due to element can be changed to the optic modulating device and light path as multiple cooling object Supply cooling gas, the situation that the temperature therefore, it is possible to suppress optic modulating device rises.Further, since using cooling device come Cooling light path change element, therefore, it is possible to suppress the temperature of light path change element due to the light from optic modulating device incidence The situation of rising.

In said one form, it is preferred that the projecting apparatus has：Multiple optic modulating devices；And light compositing Device, it by the light compositing after multiple optic modulating devices modulation and will be projected, and the projecting optical device is to from the light The light that synthesizer is projected is projected, and the light path change element configuration is filled in the light compositing device and the projection optics Between putting.

According to said one form, because light path change element configuration is between light compositing device and projecting optical device, Therefore, when light path change element is cooled, light compositing device also can together be cooled down with light path change element.Therefore, The temperature of light path change element can be suppressed due to situation about rising from the incident light of light compositing device.

In said one form, it is preferred that the cooling device has：Cooling fan, it sends out cooling gas；With Conduit component, it makes the cooling gas from the cooling fan be circulated to multiple optic modulating devices, the pipeline Part has sends out mouth, and submitting mouth makes the cooling gas be circulated towards light path change element.

According to said one form, the conduit component for making cooling gas be circulated to optic modulating device has sends out mouth, therefore, The cooling device of element is changed without setting cooling light path in addition.Thereby, it is possible to realize the miniaturization of cooling device, and then, energy Enough minimize projecting apparatus.

In said one form, it is preferred that the light path change element has：Permanent magnet；Optical component, it is borrowed Help the permanent magnet and swing, change the light path of incident light；Maintaining part, it keeps described optical component and described permanent Magnet；And a pair of coils, they are configured in the maintaining part across the permanent magnet.

Here, when a pair of coil supply electric powers to being configured across permanent magnet, shift permanent magnet, and then, Generation makes light path change the magnetic force of element displacement, also, the temperature of the coil rises.So, when the temperature of coil rises, deposit In the situation for producing the magnetic force of the coil of magnetic force to weaken.

In this regard, according to said one form, due to changing component feeding cooling gas to light path, therefore, it is possible to suppress light Road change element, the i.e. temperature of a pair of coils that light path change element has a case that rise.Therefore, it is possible to suppress to be arranged at The reduction of the magnetic force of the coil of light path change element, the driving therefore, it is possible to make the light path change element is stabilized.

In said one form, it is preferred that the light path change element has coil maintaining part, and the coil keeps Portion keeps the pair of coil and is installed in the maintaining part, and the submitting mouth makes at least a portion of the cooling gas It is circulated to the coil maintaining part.

According to said one form, in the shape of the maintaining part that coil is maintained at light path change element using coil maintaining part It is fixed under state, at least a portion of cooling gas is circulated to the coil maintaining part, therefore, it is possible to is reliably protected to coil The portion of holding is cooled down.Therefore, by cooling down coil maintaining part, the coil kept by the coil maintaining part can be cooled down, can be pressed down Make the situation that the temperature of the coil rises.

In said one form, it is preferred that the coil maintaining part has radiating part.

Also, as above-mentioned radiating part, fin etc. can be exemplified.

According to said one form, coil maintaining part has radiating part, therefore, the heat dissipation capacity ratio of coil maintaining part does not have The heat dissipation capacity of the coil maintaining part of the radiating part is big.Thus, cooling gas are supplied by the radiating part to coil maintaining part, can More reliably coil maintaining part is cooled down.Therefore, it is possible to reliably cool down the coil kept by coil maintaining part, can press down Make the situation that the temperature of the coil rises.

In said one form, it is preferred that the coil maintaining part has to the extension for sending outlet side to extend Portion.

According to said one form, coil maintaining part has extension, therefore, the coil maintaining part with the extension Area of dissipation is bigger than the area of dissipation of the coil maintaining part without the extension.Thus, due to (extending to coil maintaining part Portion) supply cooling gas, therefore, it is possible to more reliably be cooled down to coil maintaining part.Therefore, it is possible to reliably cool down by line The coil that circle maintaining part keeps, can suppress the situation that the temperature of the coil rises.

In said one form, it is preferred that the light compositing device has：3 planes of incidence, have passed through described in multiple The light of optic modulating device incides 3 planes of incidence；With 1 outgoing plane, it supplies incident from 3 planes of incidence and is synthesized Rear light is projected, and the conduit component has multiple pipelines, each light in the multiple pipeline and multiple optic modulating devices Modulating device is arranged in correspondence with, and the cooling gas for internally circulating are sent into the corresponding optic modulating device, described Pipeline corresponding with optic modulating device in reciprocal side is configured across the light compositing device in multiple pipelines With distributary division, the distributary division shunts the cooling gas for internally circulating, and makes the cooling gas from the submitting Mouth is sent out.

Also, as above-mentioned light compositing device, cross colour splitting prism can be exemplified.

According to said one form, can be adjusted via with the light configured across light compositing device in reciprocal side Corresponding 2 pipelines of device processed supply to the optic modulating device and light path change element cooling gas.That is, due to being sent from 2 Outlet changes component feeding cooling gas to light path, therefore, it is possible to reliably be cooled down to light path change element.Additionally, nothing Need to further set makes cooling gas be circulated to the pipeline that light path changes element, it becomes possible to optic modulating device and light path change unit Part supplies cooling gas, therefore, it is possible to minimize cooling device, and then, can minimize projecting apparatus.

In said one form, it is preferred that there are the light path change element 2 to include the permanent magnet and institute A pair of tilting members of coil are stated, are configured in the optic modulating device of reciprocal side across the light compositing device, The tilting member of a side is configured with the optic modulating device side of a side, is configured with another in the optic modulating device side of the opposing party The tilting member of side, when being observed from the incident direction side of the light relative to the optical component, the swing part of a side Part configuration is in the position across the optical component and the side opposite with the tilting member of the opposing party.

According to said one form, the tilting member of a side is closely located to the optic modulating device of a side, the opposing party's Tilting member is closely located to the opposing party's optic modulating device.Therefore, each light modulation in optic modulating device arranged opposite Device is closely located to above-mentioned each tilting member, cooling gas is approached configuration from this therefore, it is possible to simply constitute The corresponding pipe section of optic modulating device be circulated to the distributary division of tilting member.Furthermore it is possible to shorten the distributary division from the pipeline To the distance for sending out mouth, therefore, it is possible to suppress the reduction of the velocity of liquid assets of the cooling gas of circulation in the pipeline.Accordingly, it is capable to It is enough that more reliably light path change element is cooled down.

The projecting apparatus of a form of the invention is characterized by：Light source；Optic modulating device, it is to from the light source The light of injection is modulated；Projecting optical device, it is projected to the light after being modulated by the optic modulating device；Light path is changed Element, its configuration is changed by the light modulation between the optic modulating device and the projecting optical device by swinging The light path of the light after device modulates；External shell, it constitutes exterior；And inner shell, it is internally configured with the light path Change element.

Element is changed as above-mentioned light path, the inverting element of the light path of the incident light of change can be exemplified.

It is attached therefore, it is possible to suppress dust due in the configuration of light path change element internally housing according to said one form In the situation on light path change element.Therefore, it is possible to further improve the brightness from the image of projector.

In said one form, it is preferred that the optic modulating device configuration is in the inner shell.

According to said one form, because optic modulating device and light path change element are configured in housing internally, accordingly, it is capable to Enough suppress the situation that dust is attached on optic modulating device and light path change element.Therefore, it is possible to further improve from projecting apparatus The brightness of the image of projection.

In said one form, it is preferred that the projecting apparatus has：Multiple optic modulating devices；And light compositing Device, it by the light compositing after multiple optic modulating devices modulation and will be projected, and the projecting optical device is to from the light The light that synthesizer is projected is projected, and the light compositing device configuration is in the inner shell.

According to said one form, due to including multiple optic modulating devices, light path change element and the configuration of light compositing device In portion's housing, therefore, it is possible to suppress the feelings that dust is attached on above-mentioned optic modulating device, light path change element and light compositing device Condition.Therefore, it is possible to improve brightness and the chroma from the image of projector.

In said one form, it is preferred that the projecting apparatus has supporting member, the supporting member is configured described In inner shell, the light compositing device is supported, the light path change element has：Permanent magnet；Optical component, it is by institute State permanent magnet and swing, change the light path of incident light；Maintaining part, it keeps the optical component and the permanent magnetic Iron；

A pair of coils, they are configured in the maintaining part across the permanent magnet；Coil maintaining part, it keeps institute State a pair of coils；And heat-conduction part, it is contacted with the coil maintaining part, and the heat-conduction part is can carry out heat transfer Mode is contacted with the supporting member.

Here, when a pair of coil supply electric powers to being configured across permanent magnet, shift permanent magnet, and then, Generation makes light path change the magnetic force of element displacement, also, the temperature of the coil rises.So, when the temperature of coil rises, deposit In the situation for producing the magnetic force of the coil of magnetic force to weaken.

In this regard, according to said one form, being fixed on heat-conduction part and the supporting of the coil maintaining part of light path change element Component contact, therefore, in the case where the heat of above-mentioned coil rises, the heat of the coil is conducted to branch via heat-conduction part Bearing portion part.Temperature thereby, it is possible to suppress a pair of coils that light path change element has a case that rises.Therefore, it is possible to press down The reduction of the magnetic force of the coil for being placed in light path change element is set up, the driving therefore, it is possible to make the light path change element is stabilized.

In said one form, it is preferred that the inner shell is closed shell, the light compositing device has the 1 bearing-surface and the 2nd bearing-surface, the 1st bearing-surface and the 2nd bearing-surface be located at reciprocal side and with the supporting Part is connected, and the supporting member has：1st support, it is connected with the 1st bearing-surface；With the 2nd support, itself and institute State the connection of the 2nd bearing-surface, the heat-conduction part in the way of it can carry out heat transfer with the 1st support and described 2nd At least one party's contact in bearing portion.

According to said one form, due to supporting the 1st bearing-surface of light compositing device and the 1st support of the 2nd bearing-surface Contacted with heat-conduction part with least one party in the 2nd support, therefore, in the case where the heat of above-mentioned coil rises, the line The heat of circle is conducted to supporting member via heat-conduction part.Thereby, it is possible to suppress a pair of lines that light path change element has The situation that the temperature of circle rises.Therefore, it is possible to suppress the reduction of the magnetic force for being arranged at the coil that light path changes element, accordingly, it is capable to The driving for enough making the light path change element is stabilized.

In said one form, it is preferred that the heat-conduction part is interior with described in the way of it can carry out heat transfer Portion's housing contact.

According to said one form, heat-conduction part is contacted in the way of it can carry out heat transfer with inner shell, therefore, In the case that the heat of above-mentioned coil rises, the heat of the coil is conducted to inner shell via heat-conduction part.Thereby, it is possible to The temperature for suppressing a pair of coils that light path change element has a case that rises.Therefore, it is possible to suppress to be arranged at light path change The reduction of the magnetic force of the coil of element, the driving therefore, it is possible to make the light path change element is stabilized.

In said one form, it is preferred that the inner shell has the heat transfer contacted with the heat-conduction part Position.

According to said one form, the heat transfer location contacts of heat-conduction part and inner shell, therefore, in above-mentioned coil In the case that heat rises, the heat of the coil is conducted to the heat transfer position of inner shell via heat-conduction part.Thus, energy The temperature for being enough reliably suppressed a pair of coils that light path change element has a case that rises.Therefore, it is possible to be reliably suppressed The reduction of the magnetic force of the coil of light path change element is arranged at, therefore, it is possible to reliably make the driving of light path change element steady Fixedization.

In said one form, it is preferred that the projecting apparatus has cooling device, the cooling device is configured described In inner shell, circulate the cooling gas in the inner shell, a part for the cooling gas is circulated to the support Part.

According to said one form, due in cooling device configuration internally housing, therefore, it is possible to configuring inside this Optic modulating device, light path change device and light compositing device in housing are cooled down.Further, since cooling gas be circulated to through The hot supporting member of coil is conducted by heat-conduction part, therefore, it is possible to reliably be cooled down to supporting member.Thus, The temperature that a pair of coils that light path change element has a case that can be suppressed rises.

Brief description of the drawings

Fig. 1 is the summary stereogram of the outward appearance of the projecting apparatus for showing the 1st implementation method of the invention.

Fig. 2 is the schematic diagram of the Sketch of the projecting apparatus for showing above-mentioned 1st implementation method.

Fig. 3 is the electro-optical device and the stereogram of cooling device of the projecting apparatus for showing above-mentioned 1st implementation method.

Fig. 4 is the plan of the electro-optical device and cooling device for showing above-mentioned 1st implementation method.

Fig. 5 is the stereogram of the inverting element that above-mentioned 1st implementation method is observed from light incident side.

Fig. 6 is the plan of the inverting element that above-mentioned 1st implementation method is observed from light emitting side.

Fig. 7 is the side view of the inverting element of above-mentioned 1st implementation method.

Fig. 8 is the exploded perspective view of the inverting element of above-mentioned 1st implementation method.

Fig. 9 is the stereogram of the cooling device for showing above-mentioned 1st implementation method.

Figure 10 is the plan of the cooling device for showing above-mentioned 1st implementation method.

Figure 11 is the red light side of the electro-optical device, inverting element and cooling device that show above-mentioned 1st implementation method The sectional view in section.

Figure 12 is the blue light side of the electro-optical device, inverting element and cooling device that show above-mentioned 1st implementation method The sectional view in section.

Figure 13 is the stereogram of the inverting element of the projecting apparatus for showing the 2nd implementation method of the invention.

Figure 14 is the stereogram of the inverting element of the projecting apparatus for showing the 3rd implementation method of the invention.

Figure 15 is the summary stereogram of the outward appearance of the projecting apparatus for showing the 4th implementation method of the invention.

Figure 16 is the schematic diagram of the Sketch of the projecting apparatus for showing above-mentioned implementation method.

Figure 17 is the plan of the inverting element of the projecting apparatus that above-mentioned implementation method is observed from light incident side.

Figure 18 is the plan of the inverting element that above-mentioned implementation method is observed from light emitting side.

Figure 19 is the side view of the inverting element of above-mentioned implementation method.

Figure 20 is the exploded perspective view of the inverting element of above-mentioned implementation method.

Figure 21 is the schematic diagram of the Sketch of the cooling back installation for showing above-mentioned implementation method.

Label declaration

1：Projecting apparatus；31：Lighting device (light source)；341、341R、341B、341G：Liquid crystal panel (optic modulating device)； 345：Color synthesizer (light compositing device)；3453、3454、3455：Face (plane of incidence)；3456：Face (outgoing plane)；35：Projection Optical devices；4：Cooling device；41、41B、41G、41R：Cooling fan；42：Conduit component；43：1st pipe section (pipeline)； 431、451：Distributary division；433、453：Send out mouth；44：2nd pipe section (pipeline)；45：3rd pipe section (pipeline)；4371、 4571：Face (distributary division)；4372、4572：Opening portion (distributary division)；5、5A、5B：Inverting element；51：Optical component；52：Frame portion (maintaining part)；53、531、532：Permanent magnet (tilting member)；54：1st framework (maintaining part)；55：2nd framework (maintaining part)； 56、57、56A、56B：A pair of coil maintaining parts (tilting member)；561、562、571、572、561A、561B、562B、571B、 572B：Coil maintaining part；56A1：Extension；56B1、57B1：Fin (radiating part)；CL：Air core coil (a pair of coils, swings Part).

Specific embodiment

[the 1st implementation method]

Hereinafter, the 1st implementation method of the invention is illustrated based on accompanying drawing.

[surface structure of projecting apparatus]

Fig. 1 is the summary stereogram of the projecting apparatus 1 for showing present embodiment.

The projecting apparatus 1 of present embodiment is following such projection display devices：To being penetrated from lighting device described later 31 The light for going out is modulated, and forms corresponding with image information image, and image amplification is projected in into screen etc. and be projected on face.

Explained later, the projecting apparatus 1 has conversion (shift) element 5, and the inverting element 5 is used to change incident light Light path, cooling device has such function：In addition to cooling down optic modulating device described later, the inverting element 5 is also cooled down.

As shown in figure 1, such projecting apparatus 1 has the external shell 2 for constituting exterior.

External shell 2 is shaped generally as rectangular shape, with top part 21, bottom surface sections 22, face portion 23, back part 24 And the side surface part 25,26 of left and right.

Opening portion (omitting diagram) is formed with top part 21, it is described later that the opening portion is used for the dismounting in external shell 2 Light supply apparatus 31A, 31B, the opening portion are covered by cap assembly 212.

Although eliminating diagram, bottom surface sections 22 are provided with leg, projecting apparatus 1 is being placed in the setting face of setting table etc. When upper, the leg contacts with the setting face.

Opening portion 231 is formed with face portion 23, projection of the opening portion 231 for composition image processing system 3 described later A part for Optical devices 35 is exposed.

In addition to these parts, although omit diagram, the side surface part 26 on right side is formed with for by the sky outside external shell 2 Gas imported into the introducing port of inside, and side surface part 25 in left side be formed with it is outer for the air in external shell 2 to be expelled to The exhaust outlet in portion.

[internal structure of projecting apparatus]

Fig. 2 is the schematic diagram of the internal structure for showing projecting apparatus 1.

As shown in Fig. 2 projecting apparatus 1 is in addition to above-mentioned external shell 2, also with configuration in the external shell 2 Image processing system 3 and cooling device 4.In addition, although omit diagram, projecting apparatus 1 also has what the projecting apparatus 1 was controlled Control device and the supply unit to constituting the electronic unit supply electric power of the projecting apparatus 1.

[structure of image processing system]

Image processing system 3 forms image corresponding with the image information being input into from above-mentioned control device and the image is entered Row projection.The image processing system 3 has lighting device 31, uniforming device 32, colour esensitized equipment 33, electro-optical device 34, throwing Shadow Optical devices 35 and optical component casing 36.

In these parts, optical component casing 36 is the box-shaped shell for internally setting lighting optical axis Ax, illumination dress Put the position on the lighting optical axis Ax that 31, uniforming device 32 and colour esensitized equipment 33 are configured in optical component casing 36.This Outward, although electro-optical device 34 and projecting optical device 35 are located at outside optical component casing 36, with lighting optical axis Ax phases Should ground configuration.

Lighting device 31 has：A pair of light supply apparatuses 31A, 31B, they are configured opposite each otherly；With speculum 31C, its Configuration is between a pair of light supply apparatuses 31A, the 31B.

A pair of light supply apparatuses 31A, 31B have respectively：Illuminator 311 and reflector 312；And packaging container 313, including it Portion is accommodated with above-mentioned illuminator 311 and reflector 312.Also, above-mentioned light supply apparatus 31A, 31B project light towards speculum 31C.

Speculum 31C makes to be reflected from light supply apparatus 31A, 31B incident light to same direction respectively, thus, enters the light It is mapped to uniforming device 32.

Uniforming device 32 is used to make the photograph in the vertical plane with the central axis of the light beam projected from lighting device 31 Degree homogenization.The uniforming device 32 has the lens array 322, ultraviolet of video display filter (cinema filter) the 321, the 1st Filter 323, the 2nd lens array 324, polarization light conversion element 325 and overlap lens 326.

In these parts, it is unanimously a kind of element by the polarization direction of incident light that polarization light conversion element 325 is.

Colour esensitized equipment 33 by from the light beam of the incidence of uniforming device 32 be separated into red (R), green (G), blue (B) this 3 Individual coloured light.The colour esensitized equipment 33 is with dichroscope 331,332, speculum 333~336 and relay lens 337~339.

Electro-optical device 34 after being modulated to the white light being separated according to image information, by the colors after modulation Light compositing.The electro-optical device 34 has：Field lens 340；The liquid of optic modulating device is provided as each coloured light respectively Crystal panel 341 (red, green and blue liquid crystal panel are set to 341R, 341G, 341B respectively), light incident side polarization plate 342 and emitting side polarization plate 343；Optical compensation plate 344；And 1 color synthesizer 345.In these parts, color synthesis dress 345 are put equivalent to light compositing device of the invention.

Inverting element 5 periodically staggers to improve projection by the light path of the light for making to be projected using color synthesizer 345 The resolution ratio of image.

The structure of the above-mentioned electro-optical device 34 of explained later and inverting element 5.

Projecting optical device 35 is that light beam (forming the light beam of the image) amplification that will be synthesized by color synthesizer 345 is projected in The above-mentioned projection lens being projected on face.As such projecting optical device 35, can use and multiple is configured with lens barrel The group lens of lens.

Also, in following accompanying drawing and explanation, Z-direction represents the direct of travel of the light projected from color synthesizer 345 (projecting direction), X-direction and Y-direction represent direction vertical with the Z-direction and perpendicularing to one another.In these directions, with plane In the case that Z-direction configures projecting apparatus 1 along the mode of horizontal direction during observation, Y-direction represents opposite with vertical direction Direction is top (that is, from the bottom surface sections 22 of external shell 2 towards the direction of top part 21), and X-direction is represented from Z-direction side (light Direct of travel side) observation when from left towards right direction.

[structure of electro-optical device]

Fig. 3 is the stereogram of electro-optical device 34 and cooling device 4, and Fig. 4 is to observe the He of electro-optical device 34 from Y-direction side The plan of cooling device 4.Also, in figs. 3 and 4, show the electro-optical device in the state of unloading after field lens 340 34。

In the structural element of electro-optical device 34, each liquid crystal panel 341 (341R, 341G, 341B), emitting side polarization plate 343 and optical compensation plate 344 be installed on color synthesizer 345 by holding member, as shown in Figure 3 and Figure 4, these parts constitute The prism unit of integration.

The color synthesizer 345 for constituting the prism unit is made up of the cross colour splitting prism of substantially quadrangular.The color synthesizes Device 345 has 6 faces 3451~3456.Prism base 347U, 347L (reference picture 3 and Figure 11) respectively with these faces in color The face 3451 of the Y-direction side of synthesizer 345 and the face 3452 of the side opposite with Y-direction side abut, so as to support color conjunction Into device 345.

Additionally, the face 3453 of the X-direction side of color synthesizer 345, the face 3454 of the opposite side of X-direction side and Z-direction The face 3455 of the opposite side of side is respectively the plane of incidence of the modulation light of red, blue and green, and the face 3456 of Z-direction side is outgoing plane. Liquid crystal panel 341R, 341G, 341B are in the mode opposed with above-mentioned each plane of incidence (face 3453~3455) by holding member 346 (red holding member 346R, green holding member 346G, red use holding member 346B) keeps, thus, liquid crystal panel 341st, light incident side polarization plate 342, emitting side polarization plate 343 and optical compensation plate 344 are integrated.

[structure of inverting element]

Fig. 5 is the rightabout side observation fixed component 360 and the stereogram of inverting element 5 from Z-direction.

Fixed component 360 constitutes a part for optical component casing 36, is the position for being fixed with inverting element 5.This is consolidated Determine part 360 to be configured in optical component casing 36 in the position opposed with projecting optical device 35.As shown in figure 5, at this Inverting element 5 is fixed with the face 3601 of the rightabout side of the Z-direction of fixed component 360.Specifically, the quilt of inverting element 5 Fixed component 360 is fixed on, thus, inverting element 5 is in the shape being configured between color synthesizer 345 and projecting optical device 35 Fixed under state.

Fig. 6 is the plan from Z-direction side viewing transformation element 5, and Fig. 7 is the side-looking from X-direction side viewing transformation element 5 Figure, Fig. 8 is the exploded perspective view of inverting element 5.

Inverting element 5 changes element equivalent to light path of the invention, with following function：The inverting element 5 is by swinging Come change (conversion) incide the inverting element 5 and from the inverting element 5 project light light path.As shown in Fig. 5~Fig. 8, this The inverting element 5 of sample has optical component 51, frame portion 52, permanent magnet 53, the 1st framework 54, the 2nd framework 55 and a pair of coils Maintaining part 56,57.

Optical component 51 in these parts is made up of the transparent member with translucency, in present embodiment In, it is to be made up of the glass of rectangular plate-like.

[structure of frame portion]

Frame portion 52 has the function of keeping optical component 51 and permanent magnet 53.As shown in figure 5, the frame portion 52 is configured to tool There are 4 rectangular plate-likes of corner CR1~CR4.As shown in figure 8, being formed with for above-mentioned light in the substantial middle part of the frame portion 52 The opening portion 521 of the insertion of department of the Chinese Academy of Sciences's part 51.Additionally, the Y-direction side of the opening portion 521 of frame portion 52 position and Y-direction it is opposite The position of direction side is respectively formed with the embeded slot 522,523 for the insertion of permanent magnet 53.It is embedding in these embeded slots 522,523 Close the position that groove 522 is formed in the rightabout side that X-direction is leaned on than embeded slot 523.

Additionally, the Y-direction side of embeded slot 522 in frame portion 52 and being formed at the ora terminalis of the rightabout side of X-direction There are the locator protrusions 524 protruded towards the rightabout side of Z-direction, the phase negative side of the Y-direction of the embeded slot 523 in frame portion 52 It is formed with to side and at the ora terminalis of X-direction side towards the prominent locator protrusions 525 in the rightabout side of Z-direction.And, On the face of the Z-direction side of frame portion 52, it is formed with towards Z-direction with above-mentioned locator protrusions 524,525 respectively corresponding position The locator protrusions 526,527 that side protrudes.

In other words, the locator protrusions 524,526 of Y-direction side is formed in the angle in 4 corner CR1~CR4 of frame portion 52 Near portion CR3, the locator protrusions 525,527 of the rightabout side of Y-direction is formed in the diagonal corner as corner CR3 Near CR2.

As shown in figure 8, permanent magnet 53 is formed as prism-shaped.Permanent magnet 53 (permanent magnet 531) is embedded in embeded slot In 522, permanent magnet 53 (permanent magnet 532) is embedded in embeded slot 523.So, permanent magnet 531,532 is fixed on frame Portion 52.

[structure of the 1st framework]

1st framework 54 is configured in the rightabout side of the Z-direction of frame portion 52, with clamping the frame together with the 2nd framework 55 The function in portion 52.1st framework 54 is formed as rectangular plate-like, and opening portion is formed with the substantial middle part of the 1st framework 54 541.The opening portion 541 is formed as and the same shape of above-mentioned optical component 51.As a result, incident from opening portion 541 Light incide optical component 51.

Additionally, being formed through hole in the Y-direction side of the 1st framework 54 and at the ora terminalis of the rightabout side of X-direction 542, hole 543 is formed through in the rightabout side of the Y-direction of the 1st framework 54 and at the ora terminalis of X-direction side.Above-mentioned frame The locator protrusions 524 in portion 52 is inserted in through hole 542 respectively, and locator protrusions 525 is inserted in through hole 543 respectively.

[structure of the 2nd framework]

2nd framework 55 is configured in the Z-direction side of frame portion 52, with the function that the frame portion 52 is clamped together with the 1st framework 54. 2nd framework 55 is formed as rectangular plate-like, and opening portion 551 is formed with the substantial middle part of the 2nd framework 55.The opening portion 551 are formed as and the same shape of above-mentioned optical component 51.

Additionally, being formed through hole in the Y-direction side of the 2nd framework 55 and at the ora terminalis of the rightabout side of X-direction 552, hole 553 is formed through in the rightabout side of the Y-direction of the 2nd framework 55 and at the ora terminalis of X-direction side.Above-mentioned frame The locator protrusions 526 in portion 52 is inserted in the through hole 552, and locator protrusions 527 is inserted in through hole 553.

And, the 2nd framework 55 has an extension 554~557, the extension 554~557 from the 2nd framework 55 each Corner extends to the outside of the 2nd framework 55.It is formed with for running through that screw S1 is inserted respectively on these extensions 554~557 Hole 5541,5551,5561,5571.Screwed togather with fixed component 360 by making these screws S1, thus, will become as illustrated in fig. 5 Change element 5 and be fixed on fixed component 360.

According to such structure, the 1st framework 54 and the 2nd framework 55 clamp frame portion 52.Also, frame portion 52, the and of the 1st framework 54 2nd framework 55 is equivalent to frame portion of the invention.

[structure of coil maintaining part]

A pair of coil maintaining parts 56 and a pair of coil maintaining parts 57 are internally with hollow equivalent to coil of the invention Coil CL.By the way that to air core coil CL supply electric powers, air core coil CL shifts permanent magnet 53, and then generation makes conversion The magnetic force of the displacement of element 5.Wherein, a pair of coil maintaining parts 56 have：It is fixed on the coil maintaining part 561 of the 1st framework 54；With it is solid Due to the coil maintaining part 562 of the 2nd framework 55.

Hole portion 5611,5621 is respectively formed with these coil maintaining parts 561,562.The locator protrusions 524 of frame portion 52 is passed through It is embedded in the hole portion 5611 by the through hole 542 of the 1st framework 54.On the other hand, the locator protrusions 526 of frame portion 52 is via The through hole 552 of 2 frameworks 55 and be embedded in hole portion 5621.Thus, coil maintaining part 561 is fixed on the 1st framework 54, and will Coil maintaining part 562 is fixed on the 2nd framework 55.

On the other hand, a pair of coil maintaining parts 57 have：It is fixed on the coil maintaining part 571 of the 1st framework 54；Be fixed on The coil maintaining part 572 of the 2nd framework 55.Hole portion 5711,5721 is respectively formed with these coil maintaining parts 571,572.Frame portion 52 locator protrusions 525 is embedded in the hole portion 5711 via the through hole 543 of the 1st framework 54.On the other hand, frame portion 52 Locator protrusions 527 is embedded in hole portion 5721 via the through hole 553 of the 2nd framework 55.Thus, coil maintaining part 571 is consolidated Due to the 1st framework 54, and coil maintaining part 572 is fixed on the 2nd framework 55.

Also, air core coil CL and permanent magnet 531 that a pair of coil maintaining parts 56, a pair of coil maintaining parts 56 have Equivalent to the tilting member of a side of the invention, the tubular wire that a pair of coil maintaining parts 57, a pair of coil maintaining parts 57 have Enclose the tilting member of CL and permanent magnet 532 equivalent to the opposing party of the invention.

So, the coil maintaining part 561 and coil maintaining part 562 of a pair of coil maintaining parts 56 are configured in the phase of X-direction Near the corner CR3 of opposite direction side and Y-direction side, also, it is configured in the position and direction of overlap.On the other hand, on edge In the case of Z-direction viewing transformation element 5, the coil maintaining part 571 and the quilt of coil maintaining part 572 of a pair of coil maintaining parts 57 Configuration is configured in the position and direction of overlap near the corner CR2 of X-direction side and the rightabout side of Y-direction On.In other words, when being fixed on the inverting element 5 of fixed component 360 from the rightabout side observation of Z-direction, a pair of coils are protected Hold portion 56 to configure in liquid crystal panel 341B sides, a pair of coil maintaining parts 57 are configured in liquid crystal panel 341R sides.

Also, above-mentioned frame portion 52, the 1st framework 54, the 2nd framework 55, a pair of coil maintaining parts 56 and a pair of coil maintaining parts 57 are made up of the metal with heat conductivity, in the present embodiment, are made up of aluminium.Thus, in air core coil CL Temperature rise in the case of, the heat of air core coil CL be conducted to frame portion 52, the 1st framework 54, the 2nd framework 55, a pair Coil maintaining part 56 and a pair of various pieces of coil maintaining part 57.

Additionally, being installed on the power feeding section 3602 and above-mentioned coil maintaining part 561,562,571,572 of fixed component 360 Connect (reference picture 5) respectively.The power feeding section 3602 is by hollow via each coil maintaining part 561,562,571,572 pairs Coil CL supply electric powers and make permanent magnet 531,532 shift, and then, generation make inverting element 5 shift magnetic force.

Specifically, when the permanent magnet 531,532 for being installed on frame portion 52 is shifted, inverting element 5 is along shown in Fig. 6 Angle of rotation L1 relative to fixed component 360 face 3601 closer and farther from side move up, be thus embedded in frame portion changing The angle of the optical component 51 in 52 opening portion 521.

In other words, electric power is supplied respectively to by coil maintaining part 561,562,571,572, can changes and incide light The light path of department of the Chinese Academy of Sciences's part 51 and the light projected from the optical component 51.

[structure of cooling device]

Fig. 9 is stereogram when observing cooling device 4 from Y-direction side, and Figure 10 is when observing cooling device 4 from Y-direction side Plan.

There are cooling device 4 conveying cooling gas to cool down liquid crystal panel 341 (341R, 341G, 341B) and inverting element 5 Function.As shown in Figure 9 and Figure 10, the cooling device 4 (will be with liquid crystal panel 341R, 341G, 341B point with cooling fan 41 Not corresponding cooling fan is set to cooling fan 41R, 41G, 41B) and conduit component 42.Wherein, this is cold for the suction of cooling fan 41 But cooling gas around fan 41, and supply to each liquid crystal panel 341 and conversion unit cooling gas via conduit component 42 Part 5.

Also, the cooling fan 41 is made up of sirocco fan.But, however it is not limited to this, cooling fan 41 can also It is made up of aerofoil fan.

[structure of conduit component]

Conduit component 42 except cooling gas that will be sent out from each cooling fan 41 to corresponding liquid crystal panel 341 respectively, Light incident side polarization plate 342, emitting side polarization plate 343 and optical compensation plate 344 guide outer, are also guided to inverting element 5.Should Conduit component 42 has the 1st pipe section 43, the 2nd pipe section 44, the 3rd pipe section 45 and connecting portion 46.

[structure of the 1st pipe section]

1st pipe section 43 to be had supply to liquid crystal panel 341R the cooling gas from cooling fan 41R and convert unit The function of the coil maintaining part 57 of part 5.1st pipe section 43 has：Distributary division 431；Mouth 432 is sent out, it will be by the distributary division The 431 a part of cooling gas for distributing are sent out to red liquid crystal panel 341R；With send out mouth 433, it will be distributed Another part cooling gas are sent out to the coil maintaining part 57 of inverting element 5.

The end 434 of the X-direction side of the 1st pipe section 43 is connected with the outlet of cooling fan 41R.Additionally, the 1st pipe section 43 protuberance 435 is the shape extended to Y-direction, and is formed with above-mentioned sending in the end of the Y-direction side of the protuberance 435 Outlet 432.The end of the rightabout side of the Y-direction of the protuberance 435 is provided with rectification part 436.The rectification part 436 is formed It is substantially arc-shaped, with making the cooling gas from cooling fan 41R swimmingly towards the function of Y-direction circulation.

Additionally, send out mouth 432 configuring in position corresponding with above-mentioned liquid crystal panel 341R.As a result, cooling gas are passed through Circulated towards liquid crystal panel 341R by submitting mouthful 432.

Additionally, as shown in Figure 9 and Figure 10, the 1st pipe section 43 has the extension extended from distributary division 431 to Z-direction side 437.Above-mentioned submitting mouthful 433 is formed with the extension 437.In the face 4371 of the rightabout side of the Z-direction of the extension 437 On be formed with opening portion 4372.Circulated to the opening portion 4372 from a part for the cooling gas of above-mentioned cooling fan 41R supplies. That is, distributary division 431 is made up of above-mentioned face 4371 and opening portion 4372.

Additionally, sending out mouth 433 equivalent to submitting mouth of the invention, configure in the coil maintaining part with above-mentioned inverting element 5 57 opposed positions.

[structure of the 2nd pipe section]

2nd pipe section 44 has makes the cooling gas from cooling fan 41G supply to the function of liquid crystal panel 341G.Should 2nd pipe section 44 has the submitting mouthful 442 that cooling gas are sent out to the liquid crystal panel 341G of green.

The end 444 of the rightabout side of the Z-direction of the 2nd pipe section 44 is connected with the outlet of cooling fan 41G.This Outward, the protuberance 445 in the 2nd pipe section 44 is formed with above-mentioned submitting mouthful 442.In the rightabout of the Y-direction of the protuberance 445 The end of side is provided with rectification part 446.The rectification part 446 is shaped generally as arc-shaped, with making from the cold of cooling fan 41G But gas is swimmingly towards the function of Y-direction circulation.

Additionally, send out mouth 442 configuring in position corresponding with above-mentioned liquid crystal panel 341G.As a result, cooling gas are passed through Circulated towards liquid crystal panel 341G by submitting mouthful 442.

[structure of the 3rd pipe section]

3rd pipe section 45 has makes the cooling gas from cooling fan 41B supply to liquid crystal panel 341B and conversion unit The function of the coil maintaining part 56 of part 5.3rd pipe section 45 has：Distributary division 451；Mouth 452 is sent out, it will be by the distributary division The 451 a part of cooling gas for distributing are sent out to blue liquid crystal panel 341B；With send out mouth 453, it will be distributed Another part cooling gas are sent out to the coil maintaining part 56 of inverting element 5.

The end 454 of the rightabout side of the Z-direction of the 3rd pipe section 45 is connected with the outlet of cooling fan 41B.This Outward, the protuberance 455 of the 3rd pipe section 45 is the shape extended to Y-direction, and in the end of the Y-direction side of the protuberance 455 It is formed with above-mentioned submitting mouthful 452.The end of the rightabout side of the Y-direction of the protuberance 455 is provided with rectification part 456.Should Rectification part 456 is shaped generally as arc-shaped, is swimmingly circulated towards Y-direction with the cooling gas from cooling fan 41B are made Function.

Additionally, send out mouth 452 configuring in position corresponding with above-mentioned liquid crystal panel 341B.As a result, cooling gas are passed through Circulated towards liquid crystal panel 341B by submitting mouthful 452.

Additionally, as shown in Figure 9 and Figure 10, the 3rd pipe section 45 has the extension extended from distributary division 451 to Z-direction side 457.Above-mentioned submitting mouthful 453 is formed with the extension 457.In the face 4571 of the rightabout side of the Z-direction of the extension 457 On be formed with opening portion 4572.Circulated to the opening portion 4572 from a part for the cooling gas of above-mentioned cooling fan 41B supplies. That is, distributary division 451 is made up of above-mentioned face 4571 and opening portion 4572.

Additionally, sending out mouth 453 equivalent to submitting mouth of the invention, configure in the coil maintaining part with above-mentioned inverting element 5 56 opposed positions.

[circulating directions of cooling gas]

Figure 11 is cutting after showing to cut off electro-optical device 34 and cooling device 4 using the dotted line A1-A1 shown in Fig. 4 The sectional view in face, Figure 12 is after showing to cut off electro-optical device 34 and cooling device 4 using the dotted line B1-B1 shown in Fig. 4 The sectional view in section.

As is illustrated by figs. 11 and 12, the cooling gas sent out from above-mentioned cooling fan 41G are via the 2nd pipe section 44 by from sending Outlet 442 is sent out towards Y-direction, is supplied to liquid crystal panel 341G.

As shown in figure 11, the cooling gas sent out from cooling fan 41R are imported into the 1st pipe section 43.The cooling gas In, a part of cooling gas for being distributed by distributary division 431 sent out towards Y-direction from sending out mouth 432, be supplied to liquid crystal Panel 341R.On the other hand, another part cooling gas cooling gas for being distributed by distributary division 431 circulate along extension 437, And sent out towards Y-direction from the submitting mouthful 433 for being formed at the extension 437, it is supplied to the area of the X-direction side of inverting element 5 Domain.

Here, as shown in figure 11, being formed with towards the inclined rectification part of Z-direction in the end of the Z-direction side of extension 437 4373.Therefore, in extension 437 circulate cooling gas by from send out mouth 433 sent out when, to Z-direction side extend quilt Send out.Specifically, from send out mouth 433 send out face from cooling gas to the Z-direction side of inverting element 5 and Z-direction it is opposite The surface current of direction side leads to.In more detail, from send out mouth 433 send out Z-direction from cooling gas to coil maintaining part 571 phase The surface current of the face of opposite direction side and the Z-direction side of coil maintaining part 572 leads to.

As shown in figure 12, the cooling gas sent out from cooling fan 41B are imported into the 3rd pipe section 45.The cooling gas In, a part of cooling gas for being distributed by distributary division 451 sent out towards Y-direction from sending out mouth 452, be supplied to liquid crystal Panel 341B.On the other hand, another part cooling gas cooling gas for being distributed by distributary division 451 circulate along extension 457, And sent out towards Y-direction from the submitting mouthful 453 for being formed at the extension 457, it is supplied to the area of the X-direction side of inverting element 5 Domain.

Here, as shown in figure 12, being formed with towards the inclined rectification part of Z-direction in the end of the Z-direction side of extension 457 4573.Therefore, in extension 457 circulate cooling gas by from send out mouth 453 sent out when, to Z-direction side extend quilt Send out.Specifically, from send out mouth 453 send out face from cooling gas to the Z-direction side of inverting element 5 and Z-direction it is opposite The surface current of direction side leads to.

So, it is circulated to the cooling gas in the region of the region of the X-direction side of inverting element 5 and the opposite side of X-direction side Body is circulated respectively along coil maintaining part 56,57, and thus these coil maintaining parts 56,57 (particularly air core coil CL) are carried out Cooling, additionally, also to by the coil maintaining part 56,57 across permanent magnet 53 cool down.In such manner, it is possible to cool down conversion unit Part 5, stabilizes the driving of the inverting element 5.

[effect of the 1st implementation method]

The projecting apparatus 1 of present embodiment described above has the following effects that.

Due to cooling gas can be supplied to the liquid crystal panel 341 and inverting element 5 as multiple cooling object, therefore, The situation that the temperature of liquid crystal panel 341 rises can be suppressed.Further, since inverting element 5 is cooled down using cooling device 4, because This, can suppress the situation that the temperature of the inverting element 5 rises due to the light from the incidence of liquid crystal panel 341.

Because inverting element 5 is configured between color synthesizer 345 and projecting optical device 35, therefore, the inverting element 5 When cooled, color synthesizer 345 also can together be cooled down with the inverting element 5.Therefore, it is possible to suppress the inverting element 5 The situation that temperature rises due to the light from the incidence of color synthesizer 345.

The conduit component 42 for making cooling gas be circulated to liquid crystal panel 341 has sends out mouth 433,453, it is therefore not necessary to separately The outer cooling device that cooling inverting element 5 is set.Thereby, it is possible to realize the miniaturization of cooling device 4, and then, projection can be made Instrument 1 is minimized.

Here, when a pair of air core coil CL supply electric powers to being configured across permanent magnet 53, making permanent magnet 53 Displacement, and then, generation rises the magnetic force that inverting element 5 is shifted, also, the temperature of air core coil CL.So, air core coil When the temperature of CL rises, there is the situation that the magnetic force of the air core coil CL for producing magnetic force weakens.

In this regard, according to present embodiment, due to supplying cooling gas to inverting element 5, therefore, it is possible to suppress inverting element 5th, i.e., the temperature of a pair of air core coil CL that inverting element 5 has a case that rises.Therefore, it is possible to suppress to be arranged at conversion unit The reduction of the magnetic force of the air core coil CL of part 5, the driving therefore, it is possible to make the inverting element 5 is stabilized.

Will be hollow in the state of air core coil CL is kept using a pair of coil maintaining parts 56 and a pair of coil maintaining parts 57 Coil CL is fixed on the 1st framework 54 and the 2nd framework 55 of the maintaining part for constituting inverting element 5, at least one of cooling gas Shunting passes to the coil maintaining part 56,57, therefore, it is possible to reliably be cooled down to coil maintaining part 56,57.Therefore, pass through Cooling coil maintaining part 56,57, can cool down the air core coil CL kept by the coil maintaining part 56,57, can suppress the sky The situation that the temperature of wire-core coil CL rises.

Cooling gas can be supplied to liquid crystal panel 341R, 341B and inverting element 5 via 2 pipe sections 43,45, Wherein, 2 pipe sections 43,45 with across color synthesizer 345 and configure reciprocal side liquid crystal panel 341R, 341B correspondences.That is, due to sending out 433,453 pairs of supply cooling gas of inverting element 5 of mouth from 2, therefore, it is possible to reliably to becoming Element 5 is changed to be cooled down.Additionally, making cooling gas be circulated to the pipeline of inverting element 5 without further setting, it becomes possible to liquid Crystal panel 341 and the supply cooling gas of inverting element 5, therefore, it is possible to minimize cooling device 4, and then, projecting apparatus can be made 1 miniaturization.

Constitute air core coil CL, a pair of coil maintaining parts 56 and the side of permanent magnet 531 and of the tilting member of a side Liquid crystal panel 341B's is closely located to, and constitutes the air core coil CL of tilting member of the opposing party, a pair of coil maintaining parts 57 and forever Long magnet 532 is closely located to the liquid crystal panel 341R's of the opposing party.Therefore, because liquid crystal panel 341R arranged opposite, Each liquid crystal panel in 341B is closely located to above-mentioned each tilting member, and cooling gas is made therefore, it is possible to simply constitute Body is circulated to the distributary division of tilting member from pipe section 43,45 corresponding with liquid crystal panel 341R, 341B of the close configuration 431、451.Furthermore it is possible to shorten the distributary division 431,451 of the pipe section 43,45 to the distance for sending out mouth 433,453, therefore, The reduction of the velocity of liquid assets of the cooling gas circulated in the pipe section 43,45 can be suppressed.Therefore, it is possible to more reliably to becoming Element 5 is changed to be cooled down.

[the 2nd implementation method]

Next, being illustrated to the 2nd implementation method of the invention.

Although the projecting apparatus 1A of present embodiment have with the identical structure of above-mentioned projecting apparatus 1, constitute electrooptics dress The shape difference this respect of the inverting element put is different from above-mentioned projecting apparatus 1.Also, in the following description, for The same or about part in the part that is illustrated, marks identical label, and omit the description.

Figure 13 is the stereogram of the inverting element 5A of the projecting apparatus 1A for showing present embodiment.

Inverting element 5A changes element equivalent to light path of the invention, the function with the light path for changing incident light. As shown in figure 13, such inverting element 5A has optical component 51, frame portion 52, permanent magnet 53 (omitting diagram), the 1st framework 54th, the 2nd framework 55 and a pair of coil maintaining part 56A and a pair of coil maintaining parts 57.In the present embodiment, only coil The structure of maintaining part 56A is different, therefore, only coil maintaining part 56A is described in detail below.

A pair of coil maintaining part 56A identically with above-mentioned coil maintaining part 56, internally with air core coil CL, by having The aluminium of heat conductivity is constituted.Additionally, as shown in figure 13, the line of the rightabout side of in a pair of coil maintaining part 56A, Z-direction Circle maintaining part 561A is configured to substantially L-shaped.Specifically, coil maintaining part 561A has extension 56A1, the extension 56A1 prolongs along the edge of the rightabout side of the X-direction of the 1st framework 54 to the rightabout side of submitting mouth 453 side, i.e. Y-direction Stretch.According to the structure, the area of dissipation of coil maintaining part 561A becomes than the area of dissipation of other coil maintaining parts 562,571,572 Greatly.

When coil maintaining part 561A submittings cooling gas as 453 pairs, mouth are sent out, cooling gas are protected along the coil The surface current for holding the rightabout side of the Z-direction of the extension 56A1 of portion 561A leads to, cold so as to be carried out to coil maintaining part 561A But.

[effect of the 2nd implementation method]

The projecting apparatus 1A of present embodiment described above also has in addition to playing with the identical effect of above-mentioned projecting apparatus 1 Have the following effects.

Compared with the distance from submitting mouth 433 to coil maintaining part 57, from submitting mouth 453 to the distance of coil maintaining part 56 It is larger.Additionally, cooling coil maintaining part 57 and a part for cooling gas that temperature rises is possible to that coil can be circulated to Maintaining part 56.According to these situations, it is envisaged that the cooling effectiveness of coil maintaining part 56 can be imitated than the cooling of coil maintaining part 57 Rate is low.

Here, because coil maintaining part 561A has extension 56A1, therefore, the coil with extension 56A1 keeps The area of dissipation of portion 561A is bigger than the area of dissipation of the above-mentioned coil maintaining part 561 without extension 56A1.Thus, due to Cooling gas are supplied to coil maintaining part 561A (extension 56A1), therefore, it is possible to more reliably enter to coil maintaining part 561A Row cooling.Therefore, it is possible to reliably cool down the air core coil CL kept by coil maintaining part 561A, the air core coil can be suppressed The situation that the temperature of CL rises.

[the 3rd implementation method]

Next, being illustrated to the 3rd implementation method of the invention.

Although the projecting apparatus 1B of present embodiment have with the identical structure of above-mentioned projecting apparatus 1, constitute electrooptics dress The shape difference this respect of the inverting element put is different from above-mentioned projecting apparatus 1.Also, in the following description, for The same or about part in the part that is illustrated, marks identical label, and omit the description.

Figure 14 is the stereogram of the inverting element 5B of the projecting apparatus 1B for showing present embodiment.

Inverting element 5B changes element equivalent to light path of the invention, the function with the light path for changing incident light. As shown in figure 14, such inverting element 5B has optical component 51, frame portion 52, permanent magnet (omitting diagram), the 1st framework 54th, the 2nd framework 55 and a pair of coil maintaining part 56B and a pair of coil maintaining part 57B.In the present embodiment, only coil The structure of maintaining part 56B, 57B is different, therefore, only coil maintaining part 56B, 57B is described in detail below.

A pair of coil maintaining part 56B and a pair of coil maintaining part 57B identically with above-mentioned coil maintaining part 56, internally have There is air core coil CL, and be made up of the aluminium with heat conductivity.Additionally, each coil of these coil maintaining parts 561B, 562B Maintaining part has the fin 56B1 of the multiple rectangular plate-likes equivalent to radiating part of the invention.On the other hand, coil maintaining part 571B, 572B also have the fin 57B1 of multiple rectangular plate-likes respectively.According to the structure, a pair of coil maintaining parts 56B, 57B Area of dissipation becomes big than the area of dissipation of a pair of coil maintaining parts 56,57 of above-mentioned 1st implementation method.

When from a pair of coil maintaining parts 56B, 57B submitting cooling gas as 433,453 pairs, mouth of submitting, cooling gas Circulated between multiple fin 56B1,57B1 of a pair of coil maintaining parts 56B, 57B, so as to a pair of coil maintaining parts 56B, 57B are cooled down.

[effect of the 3rd implementation method]

The projecting apparatus 1B of present embodiment described above also has in addition to playing with the identical effect of above-mentioned projecting apparatus 1 Have the following effects.

A pair of coil maintaining part 56B and a pair of coil maintaining part 57B have fin 56B1,57B1 as radiating part, therefore, A pair of coil maintaining part 56B and a pair of heat dissipation capacities of coil maintaining part 57B keep than the coil without the fin 56B1,57B1 The heat dissipation capacity in portion 56,57 is big.Thus, by the fin 56B1 to a pair of coil maintaining part 56B and a pair of coil maintaining part 57B, 57B1 supplies cooling gas, and more reliably a pair of coil maintaining part 56B and a pair of coil maintaining part 57B can be cooled down. Therefore, it is possible to reliably cool down by the air core coil CL of a pair of coil maintaining part 56B and a pair of coil maintaining part 57B holdings, energy Enough suppress the situation that the temperature of air core coil CL rises.

[deformation of implementation method]

The present invention is not limited to the respective embodiments described above, can realize the deformation in the range of the purpose of the present invention or change It is good etc. to be contained in present disclosure.

In the respective embodiments described above, cooling device 4 has the cooling wind being connected with the 1st~the 3rd pipe section 43~45 respectively Fan 41R, 41G, 41B.But, the present invention is not limited thereto.For example, cooling fan 41 can be 1, or 2.The feelings Under condition, as long as cooling gas can be supplied to the 1st~the 3rd pipe section 43~45, the 1st~the 3rd pipe section 43~45 can be appointed What shape.

In the respective embodiments described above, inverting element 5 have optical component 51, frame portion 52, permanent magnet 53, the 1st framework 54, 2nd framework 55 and a pair of coil maintaining parts 56,57.But, the present invention is not limited thereto.For example, the 1st framework 54 and the 2nd frame Frame 55 can also form as one.In addition, although with a pair of coil maintaining parts 56 and a pair of coil maintaining parts 57, but it is also possible to Only there is any one party.

That is, as long as inverting element 5 can be put the air core coil CL supply electric powers that are kept by coil maintaining part 56,57 Light path that is dynamic and changing the light for inciding above-mentioned optical component 51, then can be any structure.

In the respective embodiments described above, air core coil CL is held in each coil maintaining part 56,57.But, the present invention is not It is limited to this.For example, air core coil CL can also be the structure for being directly fixed on the 1st framework 54 and the 2nd framework 55.

In the respective embodiments described above, color synthesizer 345 is made up of cross colour splitting prism.But, the present invention is not limited to This.As long as example, color synthesizer 345 can will from the light compositing of the incidence of liquid crystal panel 341, can be any shape.

In the respective embodiments described above, a pair of coil maintaining parts 56 are configured near the corner CR3 of the 1st framework 54, i.e. from During the rightabout side viewing transformation element 5 of Z-direction, configure in the rightabout side of X-direction and the position of Y-direction side, a pair Coil maintaining part 57 is configured near the corner CR2 of the 1st framework 54, i.e. configuration is in X-direction side and the rightabout side of Y-direction Position.But, the present invention is not limited thereto.For example, it is also possible to be, a pair of coil maintaining parts 56 and a pair of coil maintaining parts 57 Position it is opposite.Even if in this case, it is also possible to play identical with the inverting element 5 of the respective embodiments described above, 5A, 5B difference Effect.

In the respective embodiments described above, the 1st pipe section 43 and the 3rd pipe section 45 are only provided with distributary division 431,451.Can It is that the present invention is not limited thereto.For example, it is also possible to distributary division is set in the 2nd pipe section 44, from the distributary division to inverting element 5 Supply cooling gas.In this case, the prism base 347L without setting fixed color synthesizer 345, as long as constitute sending out mouth To replace connecting portion 46.Thus, what the cooling gas for being circulated respectively from the 1st~the 3rd pipe section 43~45 were distributed Cooling gas are supplied to the substantially whole region of inverting element 5, therefore, it is possible to more reliably be cooled down to inverting element 5.

In the respective embodiments described above, a pair of coil maintaining parts 56,57,56A, 56B, 57B keep air core coil CL.But, The present invention is not limited thereto.For example, a pair of coil maintaining parts 56,57,56A, 56B, 57B can also keep ironcore choke.I.e., only If can produce the part of magnetic force by supply electric power, the shape and species of coil can be any shape and species.

In the respective embodiments described above, above-mentioned frame portion 52, the 1st framework 54, the 2nd framework 55 and a pair of coil maintaining parts 56, 57th, 56A, 56B, 57B are made up of aluminium.But, the present invention is not limited thereto.For example, aluminium is not limited to, as long as having heat conductivity, Above-mentioned frame portion 52, the 1st framework 54, the 2nd framework 55 and a pair of coil maintaining parts 56,57,56A, 56B, 57B can be by any materials Constitute.

In the respective embodiments described above, it is provided with the end of the rightabout side of the Y-direction of protuberance 435,445,455 Rectification part 436,446,456.But, the present invention is not limited thereto.The rectification part 436,446,456 can also be, for example, exterior shell The inner surface of body 2, in this case, forming each pipe section by the way that conduit component 42 is installed on the inner surface.

In above-mentioned 2nd implementation method, coil maintaining part 561A has extension 56A1.But, the present invention is not limited to This.For example, it is also possible to be, coil maintaining part 562 also has and the coil maintaining part 561A identical extensions.And, coil Maintaining part 571,572 can also in the same manner have extension.In addition it is also possible in the coil maintaining part with these extensions 561A, 562,571,572 further set fin 56B1,57B1 of above-mentioned 3rd implementation method respectively.

In above-mentioned 3rd implementation method, a pair of coil maintaining parts 56B, 57B are all the radiatings with fin 56B1,57B1 Plate shape.But, the present invention is not limited thereto.For example, can only the coil maintaining part 561B being installed on the 1st framework 54, 571B sets fin 56B1,57B1, it is also possible to only set wing in coil maintaining part 562B, 572B being installed on the 2nd framework 55 Piece 56B1,57B1.That is, as long as any one the coil maintaining part in coil maintaining part 561B, 562B, 571B, 572B is set There are fin 56B1,57B1.

Additionally, the shape of fin 56B1,57B1 is not limited to rectangular plate-like, can be any shape, it is also possible to for each Coil maintaining part 561B, 562B, 571B, 572B set fin of different shapes.In a word, if coil maintaining part 561B, 562B, The area of dissipation of 571B, 572B expands.

In the above-described embodiment, as optic modulating device used infiltration type liquid crystal panel 341 (341R, 341G, 341B).But, the present invention is not limited thereto.For example, it is also possible to replace the liquid crystal of infiltration type using the liquid crystal panel of reflection-type Panel 341 (341R, 341G, 341B).In this case, colour esensitized equipment 33 need not be set, it is possible to use the color synthesizer 345 Color is performed to separate and color synthesis.

In the above-described embodiment, projecting apparatus 1 has 3 liquid crystal panels 341 (341R, 341G, 341B), but the present invention is simultaneously Not limited to this.I.e., it is also possible to using less than 2 or more than the 4 projector applications present invention of liquid crystal panel.

In addition it is also possible to replace liquid crystal panel using DMD (digital micromirror elements) etc..

In the above-described embodiment, projecting apparatus 1 has a pair of light supply apparatuses 31A, 31B.But, the present invention is not limited to This.For example, light supply apparatus can be 1, or 4.

In the above-described embodiment, the configuration being configured to shown in Fig. 2 of image processing system 3 is made.But, the present invention is not It is limited to this.For example, it is also possible to above-mentioned image processing system is configured into substantially L fonts or substantially U-shaped.

Hereinafter, the 4th implementation method of the invention is illustrated based on accompanying drawing.

[surface structure of projecting apparatus]

Figure 15 is the summary stereogram of the projecting apparatus 1C for showing present embodiment.

The projecting apparatus 1C of present embodiment is following such projection display devices：To being penetrated from lighting device described later 31 The light for going out is modulated, and forms corresponding with image information image, and image amplification is projected in into screen etc. and be projected on face.

Explained later, projecting apparatus 1C has inverting element, and the inverting element is used for the light path of the light for changing incident, follows Ring cooling device has such function：In addition to circulating cooling optic modulating device described later, the also circulating cooling inverting element.

As shown in figure 15, such projecting apparatus 1C has the external shell 2 for constituting exterior.

External shell 2 is shaped generally as rectangular shape, with top part 21, bottom surface sections 22, face portion 23, back part 24 and left side face 25 and right side face 26.

Opening portion (omitting diagram) is formed with top part 21, it is described later that the opening portion is used for the dismounting in external shell 2 Light supply apparatus 31A, 31B, the opening portion are covered by cap assembly 212.

Although eliminating diagram, bottom surface sections 22 are provided with leg, projecting apparatus 1 is being placed in the setting face of setting table etc. When upper, the leg contacts with the setting face.

Opening portion 231 is formed with face portion 23, projection of the opening portion 231 for composition image processing system 3 described later A part for Optical devices 35 is exposed.

In addition to these parts, although omit diagram, be formed with right side face 26 and imported into the air outside external shell 2 Internal introducing port, and it is formed with the exhaust outlet for the air in external shell 2 to be expelled to outside in left side face 25.

[internal structure of projecting apparatus]

Figure 16 is the schematic diagram of the internal structure for showing projecting apparatus 1C.

As shown in figure 16, projecting apparatus 1C is in addition to above-mentioned external shell 2, also with configuration in the external shell 2 Image processing system 3 and cooling back installation 4C.In addition, although omit diagram, projecting apparatus 1C also has to projecting apparatus 1C The control device being controlled and the supply unit to constituting the electronic unit supply electric power of projecting apparatus 1C.

[structure of image processing system]

Image processing system 3 forms image corresponding with the image information being input into from above-mentioned control device and the image is entered Row projection.The image processing system 3 has lighting device 31, uniforming device 32, colour esensitized equipment 33, electro-optical device 34, throwing Shadow Optical devices 35 and optical component casing 36.

Wherein, optical component casing 36 is the box-shaped shell for internally setting lighting optical axis Ax, lighting device 31, Homogenizer 32 and colour esensitized equipment 33 configure the position on the lighting optical axis Ax in optical component casing 36.Additionally, electric light Although learning device 34 and projecting optical device 35 being located at outside optical component casing 36, accordingly match somebody with somebody with lighting optical axis Ax Put.

Lighting device 31 has：A pair of light supply apparatuses 31A, 31B, they are configured opposite each otherly；With speculum 31C, its Configuration is between a pair of light supply apparatuses 31A, the 31B.

A pair of light supply apparatuses 31A, 31B have respectively：Illuminator 311 and reflector 312；And packaging container 313, including it Portion is accommodated with above-mentioned illuminator 311 and reflector 312.Also, above-mentioned light supply apparatus 31A, 31B project light towards speculum 31C.

Speculum 31C makes to be reflected from light supply apparatus 31A, 31B incident light to same direction respectively, thus, enters the light It is mapped to uniforming device 32.

Uniforming device 32 is used to make the photograph in the vertical plane with the central axis of the light beam projected from lighting device 31 Degree homogenization.The uniforming device 32 has video display filter 321, the 1st lens array 322, ultraviolet filter the 323, the 2nd saturating Lens array 324, polarization light conversion element 325 and overlap lens 326.

Wherein, it is unanimously a kind of element by the polarization direction of incident light that polarization light conversion element 325 is.

Colour esensitized equipment 33 by from the light beam of the incidence of uniforming device 32 be separated into red (R), green (G), blue (B) this 3 Individual coloured light.The colour esensitized equipment 33 is with dichroscope 331,332, speculum 333~336 and relay lens 337~339.

Electro-optical device 34 after being modulated to the white light isolated according to image information, by the white light after modulation Synthesis.The electro-optical device 34 has：Field lens 340；The liquid crystal of optic modulating device is provided as each coloured light respectively Panel 341 (red, green and blue liquid crystal panel are set to 341R, 341G, 341B respectively), light incident side polarization plate 342 and emitting side polarization plate 343；Optical compensation plate 344；And 1 color synthesizer 345.Wherein, color synthesizer 345 Equivalent to light compositing device of the invention, the light projected from the color synthesizer 345 incides inverting element 5C described later.

Cooling back installation 4C has the function of cooling electro-optical device 34 and inverting element 5C.

Inverting element 5C periodically staggers to improve perspective view by the light path of the light for making to be projected by color synthesizer 345 The resolution ratio of picture.

Quartzy diffuser plate 6 is used to making to be projected from inverting element 5C and incided the light of the quartzy diffuser plate 6 to projection optics Device 35 is diffusely projected.

Also, the structure of explained later above-mentioned cooling back installation 4C and inverting element 5C.

Projecting optical device 35 is that light beam (forming the light beam of the image) amplification that will be synthesized by color synthesizer 345 is projected in The above-mentioned projection lens being projected on face.As such projecting optical device 35, can use and multiple is configured with lens barrel The group lens of lens.

[structure of inverting element]

Figure 17 be from the light incident side viewing transformation element 5C of the inverting element 5C when plan, Figure 18 is from light emitting side Plan during viewing transformation element 5C.Additionally, Figure 19 is the side view for showing inverting element 5C, Figure 20 is to show inverting element The exploded perspective view of 5C.

Inverting element 5C changes element equivalent to light path of the invention, with following function：Change (conversion) incides this The light path of inverting element 5C and the light projected from inverting element 5C.As shown in Figure 17~Figure 20, such inverting element 5C tools There are optical component 51, frame portion 52C, permanent magnet 53, the 1st framework 54C, the 2nd framework 55C and a pair of coil maintaining parts 56C, 57C.

Wherein, optical component 51 is made up of the transparent member with translucency, is by square in the present embodiment What the glass of shape tabular was constituted.

Also, in following accompanying drawing and explanation, will be projected from the color synthesizer 345 and incide inverting element 5C's The direct of travel (projecting direction) of light as Z-direction, using direction vertical with the Z-direction respectively and perpendicularing to one another as X-direction And Y-direction.In the present embodiment, configure projecting apparatus 1C's in the way of Z-direction is along horizontal direction in top view In the case of, it is top (that is, from the bottom surface sections 22 of external shell 2 towards the side of top part 21 by the direction opposite with vertical direction To) as Y-direction, will from Z-direction side (the direct of travel side of light) observe when from it is left towards right direction (that is, from external shell 2 Left side face 25 towards the direction of right side face 26) as X-direction.

[structure of frame portion]

Frame portion 52C has the function of keeping optical component 51 and permanent magnet 53.As shown in figure 20, frame portion 52C is constituted It is with 4 rectangular plate-likes of corner CR1~CR4.It is formed with for above-mentioned optical component in the substantial middle part of frame portion 52C The opening portion 521 of 51 insertions.Additionally, in the position and the rightabout side of Y-direction of the Y-direction side of the opening portion 521 of frame portion 52C Position be respectively formed with for permanent magnet 53 insertion embeded slot 522,523.Embeded slot in these embeded slots 522,523 522 are formed in the position by the rightabout side of X-direction than embeded slot 523.

Additionally, the Y-direction side of embeded slot 522 on frame portion 52C and the shape at the ora terminalis of the rightabout side of X-direction Into the locator protrusions 524 for having the rightabout side protrusion towards Z-direction, the phase of the Y-direction of the embeded slot 523 on frame portion 52C Opposite direction side and be formed with the ora terminalis of X-direction side towards Z-direction rightabout side protrude locator protrusions 525.And And, on the face of the Z-direction side of frame portion 52C, corresponding position is formed with towards Z respectively with above-mentioned locator protrusions 524,525 The locator protrusions 526,527 that direction side protrudes.

In other words, the locator protrusions 524,526 of Y-direction side is formed in the angle in 4 corner CR1~CR4 of frame portion 52C Near portion CR3, the locator protrusions 525,527 of the rightabout side of Y-direction is formed in the diagonal corner as corner CR3 Near CR2.

As shown in figure 20, permanent magnet 53 is formed as prism-shaped.Permanent magnet 53 (permanent magnet 531) is embedded in embeded slot In 522, permanent magnet 53 (permanent magnet 532) is embedded in embeded slot 523.So, permanent magnet 531,532 is fixed on frame Portion 52C.

[structure of the 1st framework]

1st framework 54C configures the rightabout side of the Z-direction in frame portion 52C, with clamping this together with the 2nd framework 55C The function of frame portion 52C.1st framework 54C is formed as rectangular plate-like, is formed with out in the substantial middle part of the 1st framework 54C Oral area 541.The opening portion 541 is formed as and the same shape of above-mentioned optical component 51.Thus, it is incident from opening portion 541 Light be incident to optical component 51.

Additionally, being formed through hole in the Y-direction side of the 1st framework 54C and at the ora terminalis of the rightabout side of X-direction 542, hole 543 is formed through in the rightabout side of the Y-direction of the 1st framework 54C and at the ora terminalis of X-direction side.Above-mentioned frame The locator protrusions 524 of portion 52C is inserted in through hole 542 respectively, and locator protrusions 525 is inserted in through hole 543 respectively.

[structure of the 2nd framework]

2nd framework 55C configurations in the Z-direction side of frame portion 52C, with clamping frame portion 52C's together with the 1st framework 54C Function.2nd framework 55C is formed as rectangular plate-like, and opening portion 551 is formed with the substantial middle part of the 2nd framework 55C. The opening portion 551 is formed as and the same shape of above-mentioned optical component 51.

Additionally, being formed through hole in the Y-direction side of the 2nd framework 55C and at the ora terminalis of the rightabout side of X-direction 552, hole 553 is formed through in the rightabout side of the Y-direction of the 2nd framework 55C and at the ora terminalis of X-direction side.Above-mentioned frame The locator protrusions 526 of portion 52C is inserted in the through hole 552, and locator protrusions 527 is inserted in through hole 553.

According to such structure, the 1st framework 54C and the 2nd framework 55C clamping frame portions 52C.Also, frame portion 52C, the 1st framework 54C and the 2nd framework 55C are equivalent to maintaining part of the invention.

[structure of coil maintaining part]

A pair of coil maintaining part 56C and a pair of coil maintaining part 57C are internally with the sky equivalent to coil of the invention Wire-core coil CL.By the way that to air core coil CL supply electric powers, air core coil CL shifts permanent magnet 53, and then generation makes change Change the magnetic force of element 5C displacements.Wherein, a pair of coil maintaining part 56C have：It is fixed on the coil maintaining part of the 1st framework 54C 561C；With the coil maintaining part 562C for being fixed on the 2nd framework 55C.

Hole portion 5611,5621 is respectively formed with these coil maintaining parts 561C, 562C.The locator protrusions 524 of frame portion 52C It is embedded in the hole portion 5611 via the through hole 542 of the 1st framework 54C.On the other hand, the locator protrusions 526 of frame portion 52C is passed through It is embedded in the hole portion 5621 by the through hole 552 of the 2nd framework 55C.Thus, coil maintaining part 561C is fixed on the 1st frame Frame 54C, and coil maintaining part 562C is fixed on the 2nd framework 55C.

On the other hand, a pair of coil maintaining part 57C have：It is fixed on the coil maintaining part 571C of the 1st framework 54C；With it is solid Due to the coil maintaining part 572C of the 2nd framework 55C.These coil maintaining parts 571C, 572C be respectively formed with hole portion 5711, 5721.The locator protrusions 525 of frame portion 52C is embedded in the hole portion 5711 via the through hole 543 of the 1st framework 54C.The opposing party Face, the locator protrusions 527 of frame portion 52C is embedded in the hole portion 5721 via the through hole 553 of the 2nd framework 55C.Thus, will Coil maintaining part 571C is fixed on the 1st framework 54C, and coil maintaining part 572C is fixed on into the 2nd framework 55C.

So, the coil maintaining part 561C and coil maintaining part 562C of a pair of coil maintaining part 56C are configured in X-direction Near the corner CR3 of rightabout side and Y-direction side, also, it is configured in the position and direction of overlap.On the other hand, exist Along the Z direction in the case of viewing transformation element 5C, the coil maintaining part 571C and coil maintaining part of a pair of coil maintaining part 57C 572C is configured near the corner CR2 of the rightabout side of X-direction side and Y-direction, also, be configured in overlap position and On direction.In other words, from the rightabout side viewing transformation element 5C of Z-direction when, a pair of coil maintaining part 56C configuration is in liquid Crystal panel 341B sides, a pair of coil maintaining part 57C configurations are in liquid crystal panel 341R sides.

Also, above-mentioned frame portion 52C, the 1st framework 54C, the 2nd framework 55C, a pair of coil maintaining part 56C and a pair of coils are protected The portion 57C of holding is made up of the metal with heat conductivity, in the present embodiment, is made up of aluminium.Thus, in tubular wire In the case that the temperature of circle CL rises, the heat of air core coil CL is conducted to frame portion 52C, the 1st framework 54C, the 2nd framework 55C, a pair of coil maintaining part 56C and a pair of coil maintaining part 57C various pieces.

Additionally, power feeding section (omitting diagram) is connected respectively with above-mentioned coil maintaining part 561C, 562C, 571C, 572C. The power feeding section makes by via each coil maintaining part 561C, 562C, 571C, 572C to air core coil CL supply electric powers Permanent magnet 531,532 is shifted, and then, generation makes the magnetic force that inverting element 5C is shifted.

Specifically, when the permanent magnet 531,532 for being installed on frame portion 52C is shifted, inverting element 5C is along Figure 17 With the angle of rotation L1 shown in Figure 18 closer and farther from side move up, the opening portion 521 of frame portion 52C is thus embedded in change In optical component 51 angle.

In other words, electric power is supplied respectively to by coil maintaining part 561C, 562C, 571C, 572C, incidence can be changed The light path of the light projected to optical component 51 and from the optical component 51.

[structure of cooling back installation]

Figure 21 is the schematic diagram of the Sketch for showing cooling back installation 4C.Also, in figure 21, in order to be readily appreciated that Illustrate, omit liquid crystal panel 341G and field lens 340 corresponding with liquid crystal panel 341G, the incidence for constituting electro-optical device 34 Diagram beyond side polarization plate 342 and emitting side polarization plate 343, optical compensation plate 344.

Cooling back installation 4C has the closed shell 41C equivalent to inner shell of the invention, and is configured with cooling The function of electro-optical device 34 and inverting element 5C in closed shell 41C.Such cooling back installation 4C is except tool Have outside above-mentioned closed shell 41C, also with prism base 42C, the 1st fan 43C, the 2nd fan 44C and fin 45C.

When by above-mentioned inverting element 5C configurations in closed shell 41C, heat-conduction part TC1~TC4 is individually fixed in Above-mentioned coil maintaining part 561C, 562C, 571C, 572C.Heat-conduction part TC1~TC4 is by the heat exchange sheet with heat conductivity Constitute.Therefore, when the temperature of air core coil CL rises, coil maintaining part 561C, 562C, the heat of 571C, 572C are conducted to Heat-conduction part TC1~TC4.

[structure of closed shell]

Closed shell 41C is configured in external shell 2, is the internal liquid crystal panel for being accommodated with and constituting electro-optical device 34 341st, light incident side polarization plate 342, emitting side polarization plate 343, optical compensation plate 344, color synthesizer 345, holding member The box housing of 346 and inverting element 5C.Closed shell 41C is interior with the gas outside closed shell 41C is difficultly flowed into The closed structure in portion.In other words, liquid crystal panel 341, light incident side polarization plate 342, emitting side polarization plate 343, optics are mended Plate 344, color synthesizer 345, holding member 346 and inverting element 5C is repaid substantially to be enclosed in closed shell 41C.

Closed shell 41C has top part 41a, bottom surface sections 41b, the 1st side surface part 41c, the 2nd side surface part 41d and X side To the 3rd and the 4th side surface part (omitting diagram) of side and the rightabout side of X-direction.Closed shell 41C has：Constitute top surface Portion 41a, bottom surface sections 41b, the housing section 411 of the 1st side surface part 41c and above-mentioned 3rd side surface part and the 4th side surface part；And constitute The plate-like portion 412 of the 2nd side surface part 41d and quartzy diffuser plate 6.

Wherein, housing section 411 is made up of resin etc..In the substantial middle of the 1st side surface part 41c for constituting the housing section 411 Opening portion 4111 is formed with part.Field lens 340 corresponding with liquid crystal panel 341G is embedded in the opening portion 4111.Additionally, Opening portion is also respectively formed with the substantially central portion office of the substantial middle part of above-mentioned 3rd side surface part and the 4th side surface part, and And, field lens 340 corresponding with liquid crystal panel 341R, 341B is embedded in the opening portion.Thus, isolated by colour esensitized equipment 33 White light incides liquid crystal panel 341 via the field lens 340.

Plate-like portion 412 constitutes a part of the 2nd side surface part 41d of closed shell 41C, the plate-like portion 412 substantially in Centre is formed with opening portion 4121 at part.Above-mentioned quartzy diffuser plate 6 is embedded in the opening portion 4121.Additionally, plate-like portion 412 be by What the metal with heat conductivity was constituted, in the present embodiment, it is made up of aluminium.

Additionally, heat-conduction part TC1 in the way of it can carry out heat transfer with the 1st positioned at Y-direction side of plate-like portion 412 Position 4122 contacts, heat-conduction part TC2 in the way of it can carry out heat transfer with the rightabout positioned at Y-direction of plate-like portion 412 2nd position 4123 of side contacts.Additionally, prism base 42U is fixed in the 1st position 4122, prism base 42L is fixed in 2 positions 4123.Therefore, when the temperature of air core coil CL rises, the heat of coil maintaining part 562C, 572C is conducted to heat transfer Portion TC1, TC2, the heat of the heat-conduction part TC1, TC2 are conducted to plate-like portion 412.

Also, the 1st position 4122 and the 2nd position 4123 are equivalent to heat conductivity position of the invention.

[structure of prism base]

Here, in the structural element of electro-optical device 34, each liquid crystal panel 341 (341R, 341G, 341B), injection lateral deviation Shake tabula rasa 343 and optical compensation plate 344 is installed in color synthesizer 345 by holding member 346, constitute the rib of integration Mirror unit.The color synthesizer 345 for constituting the prism unit is made up of the cross colour splitting prism of substantially quadrangular.Color synthesis dress 345 are put except entering from the plane of incidence with 3 individually incident planes of incidence of the light for being projected from liquid crystal panel 341 and injection Penetrate and outside 1 outgoing plane of light after synthesizing, also with the 1st bearing-surface 3451C and the 2nd bearing-surface 3452C, the 1st supporting Face 3451C and the 2nd bearing-surface 3452C intersect with multiple planes of incidence and outgoing plane respectively, positioned at reciprocal side and and rib Mirror pedestal 42C is connected.

Prism base 42C equivalent to supporting member of the invention, with by support color synthesizer 345 and by above-mentioned rib Mirror unit is fixed on the function in closed shell 41C.Prism base 42C is made up of the metal with heat conductivity, In present embodiment, it is made up of aluminium.Additionally, prism base 42C has：Equivalent to the prism of the 1st support of the invention Pedestal 42U；With the prism base 42L equivalent to the 2nd support of the invention.

As shown in figure 21, these prism bases 42U, 42L has substantially support 421U, 421L of L-shaped and prolongs respectively Extending portion 422U, 422L, extension 422U, 422L extend from the end of the support 421U, 421L to Z-direction.

The face of the Y-direction side of color synthesizer 345 is the support 421U of the 1st bearing-surface 3451C and prism base 42U The face of the rightabout side of Y-direction abuts, heat-conduction part TC3 in the way of it can carry out heat transfer with the Z side of support 421U Contacted to the face of side.Additionally, the end of the Z-direction side of extension 422U is fixed in the rightabout of the Z-direction of plate-like portion 412 On the face of side.

On the other hand, the face of the rightabout side of the Y-direction of color synthesizer 345 is the 2nd bearing-surface 3452C and prism base The face of the Y-direction of the support 421L of seat 42L abuts, and heat-conduction part TC4 is in the way of it can carry out heat transfer and support The face contact of the Z-direction side of 421L.Additionally, the end of the Z-direction side of extension 422L is fixed in the Z-direction of plate-like portion 412 Rightabout side face on.

According to the structure, prism unit (color synthesizer 345) is fixed in closed shell 41C, also, carrys out self-heating biography The heat for leading portion TC3, TC4 is conducted to prism base 42U, 42L.

Additionally, radiating fin can also be set on the surface of prism base 42U, 42L.By setting the radiating fin, energy Enough expand the contact area contacted with the cooling gas discharged from the 1st fan 43C described later, can efficiently cool down from heat transfer The heat that portion's TC3, TC4 conduction comes.

[structure of cooling fan]

1st fan 43C is made up of sirocco fan, equivalent to a part for cooling device of the invention.Such as Figure 21 institutes Show, the 1st fan 43C configures the 1st side surface part 41c sides on bottom surface sections 41b.1st fan 43C is configured to air inlet face 431C is towards Y-direction.Additionally, deflation area 432C is configured towards Z-direction side.Therefore, when the 1st fan 43C drives, from entering Cooling gas in gas face 431C suction closed shells 41C, and the cooling gas are discharged from deflation area 432C towards Z-direction. Additionally, a part for the cooling gas that will be discharged from deflation area 432C using pipeline (not shown) is shunted to Y-direction, it is split out Cooling gas liquid crystal panel 341, light incident side polarization plate 342, emitting side polarization plate 343 etc. are cooled down.

2nd fan 44C is made up of aerofoil fan, equivalent to a part for cooling device of the invention.2nd fan 44C Between top part 41a and the 1st side surface part 41c of the configuration in closed shell 41C.2nd fan 44C is configured to air inlet face 441C is towards Y-direction.Additionally, the deflation area 442C opposed with air inlet face 441C is configured towards the rightabout side of Y-direction. That is, configured in the mode for making the air inlet face 431C of the 1st fan 43C opposed with the deflation area 442C of the 2nd fan 44C.Therefore, When the 2nd fan 44C drives, cooling gas from the closed shell 41C that the air inlet face 441C of the 2nd fan 44C is aspirated are from row Gas face 442C is discharged towards the 1st fan 43C, and the cooling gas are aspirated using the 1st fan 43C.

And, although the 1st fan 43C and the 2nd fan 44C are made up of sirocco fan and aerofoil fan respectively, but simultaneously Not limited to this, all can be made up of, it is also possible to be all made up of aerofoil fan sirocco fan.

[structure of fin]

Fin 45C has the function of reducing the temperature at the position being connected with fin 45C.Fin 45C with The top part 41a connections of closed shell 41C.Thus, the position opposed with fin 45C in closed shell 41C is circulated Cooling gas are cooled down by fin 45C.

[the circulation streams of cooling gas]

In the cooling back installation 4C of such structure, when the 1st fan 43C drives, from air inlet face 431C suctions Cooling gas are circulated by from deflation area 432C discharges along bottom surface sections 41b.Along bottom surface sections 41b circulate cooling gas with 2nd side surface part 41d conflicts, and is circulated towards Y-direction, i.e. top part 41a.In the cooling gas from bottom surface sections 41b to top part 41a During circulation, inverting element 5C, prism base 42U, 42L, above-mentioned prism unit and plate-like portion 412 are cold by the cooling gas But.Then, the cooling after above-mentioned inverting element 5C, prism base 42U, 42L, above-mentioned prism unit and plate-like portion 412 is cooled Gas is circulated due to the suction of the air inlet face 441C from the 2nd fan 44C along top part 41a.In this process, the cooling Gas is cooled down by above-mentioned fin 45C, and by the 2nd fan 44C suctions.Then, exhaust of the cooling gas from the 2nd fan 44C Face 442C is discharged towards the 1st fan 43C, is sucked from the air inlet face 431C of the 1st fan 43C.

It is as discussed above, closed shell 41C is caused by the driving of the 1st fan 43C and the 2nd fan 44C Interior cooling gas are deasil circulated.So, conducted from coil maintaining part 562C, 572C and heat-conduction part TC1, The hot plate-like portion 412 of TC2 is cooled.Additionally, conducted from coil maintaining part 561C, 571C and heat-conduction part TC3, Hot prism base 42U, 42L of TC4 is cooled.Thus, the heat come from air core coil CL conduction is released, and then, tubular wire Circle CL is cooled.

The projecting apparatus 1C of present embodiment described above has the following effects that.

Due to multiple liquid crystal panel 341R, 341G, 341B, inverting element 5C and color synthesizer 345 be configured in it is closed In housing 41C, above-mentioned liquid crystal panel 341, color synthesizer 345 and inverting element 5C are attached to therefore, it is possible to suppress dust Situation.Therefore, it is possible to improve brightness and the chroma of the image from projecting apparatus 1C projections.

Here, to across permanent magnet 53 and configure a pair of air core coil CL supply electric powers when, move permanent magnet 53 Position, and then, generation rises the magnetic force that inverting element 5C is shifted, also, the temperature of a pair of air core coil CL.So, when one When temperature to air core coil CL rises, there is the situation that the magnetic force of a pair of air core coil CL for producing magnetic force weakens.

In this regard, according to present embodiment, coil maintaining part 561C, 562C of inverting element 5C, 571C, 572C are fixed on Heat-conduction part TC1~TC4 is contacted with the prism base 42C as supporting member, therefore, rise in the heat of above-mentioned air core coil CL In the case of, the heat of air core coil CL is conducted to supporting member via heat-conduction part.Thereby, it is possible to suppress conversion unit The temperature of a pair of air core coil CL that part 5C has a case that rises.Therefore, it is possible to suppress to be arranged at the sky of inverting element 5C The reduction of the magnetic force of wire-core coil CL, the driving therefore, it is possible to make inverting element 5C is stabilized.

Due to the 1st bearing-surface 3451C and the 2nd bearing-surface 3452C of supporting color synthesizer 345 support 421U, 421L is contacted with heat-conduction part TC3, TC4, therefore, in the case where the heat of above-mentioned air core coil CL rises, the air core coil The heat of CL is conducted to prism base 42C via heat-conduction part TC3, TC4.Had thereby, it is possible to suppress inverting element 5C A pair of air core coil CL temperature rise situation.Therefore, it is possible to suppress to be arranged at the air core coil CL of inverting element 5C The reduction of magnetic force, the driving therefore, it is possible to make inverting element 5C is stabilized.

Because heat-conduction part TC1, TC2 are contacted in the way of it can carry out heat transfer with closed shell 41C, more particularly It is that the 1st position 4122 and the 2nd position 4123 with heat conductivity contact with closed shell 41C, therefore, above-mentioned hollow In the case that the heat of coil CL rises, the heat of air core coil CL is conducted to closed housing via heat-conduction part TC1, TC2 The plate-like portion 412 of body 41C.Thereby, it is possible to be reliably suppressed in a pair of temperature of air core coil CL that inverting element 5C has Situation about rising.The reduction of the magnetic force of the air core coil CL of inverting element 5C is arranged at therefore, it is possible to be reliably suppressed, accordingly, it is capable to It is enough reliably to stabilize the driving of inverting element 5C.

Due to being configured with closed shell 41C as the 1st fan 43C of cooling device, exist therefore, it is possible to cool down configuration Liquid crystal panel 341, inverting element 5C and color synthesizer 345 in closed shell 41C.Further, since cooling gas circulate To the hot prism base 42C that air core coil CL has been conducted via heat-conduction part TC1~TC4, therefore, it is possible to reliably to rib Mirror pedestal 42C is cooled down.Thereby, it is possible to the feelings that the temperature for suppressing a pair of air core coil CL that inverting element 5C has rises Condition.

[deformation of implementation method]

The present invention is not limited to above-mentioned implementation method, can realize deformation or improvement in the range of the purpose of the present invention Etc. being contained in present disclosure.

In the above-described embodiment, inverting element 5C, color synthesizer 345 and liquid crystal panel 341 are configured in closed shell In 41C.But, the present invention is not limited thereto.For example, it is also possible to only configure inverting element 5C in closed shell 41C, it is also possible to Inverting element 5C and liquid crystal panel 341 are only configured in closed shell 41C.In a word, as long as by inverting element 5C configurations closed In housing 41C.

In the above-described embodiment, closed shell 41C is by substantially closed.But, the present invention is not limited thereto.For example, close Closed shell body 41C can not also closed but structure that supplied cooling gas by closed position from this.

In the above-described embodiment, coil maintaining part 561C, 562C, 571C, 572C be fixed with heat-conduction part TC1~ TC4.But, the present invention is not limited thereto.For example, it is also possible to be configured to without heat-conduction part TC1~TC4, but make coil Maintaining part 561C, 562C, 571C, 572C are directly connect with prism base 42C in the way of it can carry out heat transfer with plate-like portion 412 Touch.Even if in this case, it is also possible to play and above-mentioned implementation method identical effect.

In the above-described embodiment, heat-conduction part TC1~TC4 is made up of the heat exchange sheet with heat conductivity.But, this Invention is not limited to this.For example, being not limited to solid, heat-conduction part TC1~TC4 can also be by the lubricating grease with heat conductivity Etc. (grease) constitute.That is, as long as heat-conduction part TC1~TC4 has heat conductivity, can be made up of any material.

In the above-described embodiment, the plate-like portion 412 that heat-conduction part TC1, TC2 is contacted in the way of it can carry out heat transfer The 1st position 4122 and the 2nd position 4123 there is heat conductivity.But, the present invention is not limited thereto.For example, plate-like portion 412 Can be made up of resin etc..

In the above-described embodiment, heat-conduction part TC1, TC2 is connect in the way of it can carry out heat transfer with plate-like portion 412 Touch.But, the present invention is not limited thereto.For example, can only make heat-conduction part TC1 in the way of it can carry out heat transfer and tabular Portion 412 contacts, it is also possible to heat-conduction part TC2 is contacted with plate-like portion 412 in the way of it can carry out heat transfer.The situation Under, for example, the position not contacted with plate-like portion 412 in the way of it can carry out heat transfer of heat-conduction part TC1, TC2 can also It is made up of the material without heat conductivity.

In the above-described embodiment, cooling back installation 4C has the 1st fan 43C and the 2nd fan 44C.But, the present invention It is not limited to this.For example, cooling back installation 4C can also only with any one in the 1st fan 43C and the 2nd fan 44C Fan.Even if in this case, it is also possible to liquid crystal panel 341, color synthesizer 345 of the cooling configuration in closed shell 41C With inverting element 5C.Additionally, can also not have the 1st fan 43C and the 2nd fan 44C in closed shell 41C.In this case, For example, fin can be connected outside closed shell 41C, and cooled down from outside closed shell 41C using cooling fan.

In the above-described embodiment, the fin 45C for constituting cooling back installation 4C is connected with top part 41a.But, this Invention is not limited to this.For example, fin 45C can also be arranged at bottom surface sections 41b, the 1st side surface part 41c and the 2nd side surface part 41d In any one part.And, fin 45C may not be 1, can be respectively arranged at bottom surface sections 41b, the 1st side Portion 41c and the 2nd side surface part 41d, also, can also be without setting fin 45C.

In the above-described embodiment, with prism base 42U, 42L.But, the present invention is not limited thereto.For example, also may be used Only to have any one party in prism base 42U, 42L.Particularly, if only having prism base 42U, can make to come from The cooling gas of bottom surface sections 41b are further circulated to inverting element 5C.

In the above-described embodiment, prism base 42U, 42L is supported the 1st bearing-surface 3451C and the 2nd bearing-surface 3452C is the face of the rightabout side in the face and Y-direction of the Y-direction side of color synthesizer 345.But, the present invention is not limited to This.For example, prism base 42U, 42L can also support face and the rightabout of X-direction of the X-direction side of color synthesizer 345 The face of side.As long as in this case, will be configured to and above-mentioned 1st bearing-surface as liquid crystal panel 341R, 341B of optic modulating device 3451C and the 2nd bearing-surface 3452C are opposed.

In above-mentioned implementation method, inverting element 5C has optical component 51, frame portion 52C, permanent magnet 53, the 1st framework 54C, the 2nd framework 55C and a pair of coil maintaining parts 56C, 57C.But, the present invention is not limited thereto.For example, the 1st framework 54C Can also be formed as one with the 2nd framework 55C.In addition, although with a pair of coil maintaining part 56C and a pair of coil maintaining parts 57C, but it is also possible to only with any one party.

That is, as long as inverting element can be made to the air core coil CL supply electric powers kept by coil maintaining part 56C, 57C 51 are swung, and the light path of the light of above-mentioned optical component 51 is incided in change, then can be any structure.

In above-mentioned implementation method, inverting element 5C is formed as the structure shown in Figure 17~Figure 20.But, the present invention is not limited In this.As long as example, can swing optical component 51 using solenoid etc. to change the light path of incident light, can be then Any structure.

In above-mentioned implementation method, the 2nd side surface part 41d is made up of plate-like portion 412 and quartzy diffuser plate 6.But, the present invention is simultaneously Not limited to this.For example, instead of quartzy diffuser plate 6, it is also possible to by the transparent member structure for only making to pass through from inverting element 5C light Into.

In above-mentioned implementation method, air core coil CL is kept by each coil maintaining part 56C, 57C.But, the present invention is not limited In this.For example, air core coil CL can also be the structure for being directly fixed on the 1st framework 54C and the 2nd framework 55C.

In above-mentioned implementation method, color synthesizer 345 is made up of cross colour splitting prism.But, the present invention is not limited thereto. As long as example, color synthesizer 345 can be able to be then any shape by from the light compositing of the incidence of liquid crystal panel 341.

In the above-described embodiment, a pair of coil maintaining part 56C configurations are near the corner CR3 of the 1st framework 54C, i.e. from During the rightabout side viewing transformation element 5C of Z-direction, configure in the rightabout side of X-direction and the position of Y-direction side, a pair Coil maintaining part 57C is configured near the corner CR2 of the 1st framework 54C, i.e. configuration is in X-direction side and the rightabout of Y-direction The position of side.But, the present invention is not limited thereto.For example, it is also possible to be, a pair of coil maintaining part 56C and a pair of coils keep The position of portion 57C is opposite.

In above-mentioned implementation method, a pair of coil maintaining parts 56C, 57C keep air core coil CL.But, the present invention is not limited In this.For example, a pair of coil maintaining parts 56C, 57C can also keep ironcore choke.As long as that is, can be produced by supply electric power The part of magnetisation power, the shape and species of coil can be any shape and species.

In the above-described embodiment, above-mentioned frame portion 52C, the 1st framework 54C, the 2nd framework 55C and a pair of coil maintaining parts 56C, 57C are made up of aluminium.But, the present invention is not limited thereto.For example, aluminium is not limited to, as long as having heat conductivity, above-mentioned frame portion 52C, the 1st framework 54C, the 2nd framework 55C and a pair of coil maintaining parts 56C, 57C can also be made up of any material.

In the above-described embodiment, as optic modulating device used infiltration type liquid crystal panel 341 (341R, 341G, 341B).But, the present invention is not limited thereto.For example, it is also possible to replace the liquid crystal of infiltration type using the liquid crystal panel of reflection-type Panel 341 (341R, 341G, 341B).In this case, colour esensitized equipment 33 need not be set, it is possible to use the color synthesizer 345 Color is performed to separate and color synthesis.

In the above-described embodiment, projecting apparatus 1C has 3 liquid crystal panels 341 (341R, 341G, 341B), but the present invention It is not limited to this.I.e., it is also possible to using less than 2 or more than the 4 projector applications present invention of liquid crystal panel.

In addition it is also possible to replace liquid crystal panel 341 using DMD (digital micromirror elements) etc..

In the above-described embodiment, projecting apparatus 1C has a pair of light supply apparatuses 31A, 31B.But, the present invention is not limited to This.For example, light supply apparatus can be 1, or 4.

In the above-described embodiment, the configuration being configured to shown in Figure 16 of image processing system 3 is made.But, the present invention is simultaneously Not limited to this.For example, it is also possible to above-mentioned image processing system is configured into substantially L fonts or substantially U-shaped.

Claims (17)

1. a kind of projecting apparatus, it is characterised in that

The projecting apparatus has：

Light source；

Optic modulating device, it is modulated to the light projected from the light source；

Projecting optical device, it is projected to the light after being modulated by the optic modulating device；

Light path changes element, and its configuration is changed between the optic modulating device and the projecting optical device by swinging The light path of the light after being modulated by the optic modulating device；And

Cooling device, it cools down the optic modulating device and light path change element.

2. projecting apparatus according to claim 1, it is characterised in that

The projecting apparatus has：

Multiple optic modulating devices；With

Light compositing device, it by the light compositing after multiple optic modulating devices modulation and will be projected,

The projecting optical device is projected to the light projected from the light compositing device,

The light path change element configuration is between the light compositing device and the projecting optical device.

3. projecting apparatus according to claim 2, it is characterised in that

The cooling device has：

Cooling fan, it sends out cooling gas；With

Conduit component, it makes the cooling gas from the cooling fan be circulated to multiple optic modulating devices,

The conduit component has sends out mouth, and submitting mouth makes the cooling gas be circulated towards light path change element.

4. projecting apparatus according to claim 3, it is characterised in that

The light path change element has：

Permanent magnet；

Optical component, it swings by the permanent magnet, changes the light path of incident light；

Maintaining part, it keeps the optical component and the permanent magnet；And

A pair of coils, they are configured in the maintaining part across the permanent magnet.

5. projecting apparatus according to claim 4, it is characterised in that

The light path change element has coil maintaining part, and the coil maintaining part keeps the pair of coil and is installed in institute State in maintaining part,

The submitting mouth makes at least a portion of the cooling gas be circulated to the coil maintaining part.

6. projecting apparatus according to claim 5, it is characterised in that

The coil maintaining part has radiating part.

7. the projecting apparatus according to claim 5 or claim 6, it is characterised in that

The coil maintaining part has to the extension for sending outlet side to extend.

8. the projecting apparatus described in any one in claim 3 to claim 7, it is characterised in that

The light compositing device has：

3 planes of incidence, the light that have passed through multiple optic modulating devices incides 3 planes of incidence；With

1 outgoing plane, it is projected for incident from 3 planes of incidence and after being synthesized light,

The conduit component has multiple pipelines, each optic modulating device in the multiple pipeline and multiple optic modulating devices It is arranged in correspondence with, the cooling gas for internally circulating is sent to the corresponding optic modulating device,

In the multiple pipeline the optic modulating device pair in reciprocal side is configured with across the light compositing device The pipeline answered has a distributary division, and the distributary division shunts the cooling gas for internally circulating, and make the cooling gas from The submitting mouth is sent out.

9. projecting apparatus according to claim 8, it is characterised in that

The light path change element has 2 tilting members comprising the permanent magnet and the pair of coil,

Configured in the optic modulating device of reciprocal side across the light compositing device,

The tilting member of a side is configured with the optic modulating device side of a side, is configured with the optic modulating device side of the opposing party The tilting member of the opposing party,

When being observed from the incident direction side of the light relative to the optical component, the tilting member of a side is configured across institute State the position of optical component and the side opposite with the tilting member of the opposing party.

10. a kind of projecting apparatus, it is characterised in that

The projecting apparatus has：

Light source；

Optic modulating device, it is modulated to the light projected from the light source；

Projecting optical device, it is projected to the light after being modulated by the optic modulating device；

Light path changes element, and its configuration is changed between the optic modulating device and the projecting optical device by swinging The light path of the light after being modulated by the optic modulating device；

External shell, it constitutes exterior；And

Inner shell, it is internally configured with the light path change element.

11. projecting apparatus according to claim 10, it is characterised in that

The optic modulating device configuration is in the inner shell.

12. projecting apparatus according to claim 10 or claim 11, it is characterised in that

The projecting apparatus has：

Multiple optic modulating devices；With

Light compositing device, it by the light compositing after multiple optic modulating devices modulation and will be projected,

The projecting optical device is projected to the light projected from the light compositing device,

The light compositing device configuration is in the inner shell.

13. projecting apparatus according to claim 12, it is characterised in that

The projecting apparatus has supporting member, and the supporting member is configured in the inner shell, supports the light compositing device,

The light path change element has：

Permanent magnet；

Optical component, it swings by the permanent magnet, changes the light path of incident light；

Maintaining part, it keeps the optical component and the permanent magnet；

A pair of coils, they are configured in the maintaining part across the permanent magnet；

Coil maintaining part, it keeps the pair of coil；And

Heat-conduction part, it is contacted with the coil maintaining part,

The heat-conduction part is contacted in the way of it can carry out heat transfer with the supporting member.

14. projecting apparatus according to claim 13, it is characterised in that

The inner shell is closed shell,

The light compositing device has the 1st bearing-surface and the 2nd bearing-surface, and the 1st bearing-surface and the 2nd bearing-surface are located at that This opposite side is simultaneously connected with the supporting member,

The supporting member has：

1st support, it is connected with the 1st bearing-surface；With

2nd support, it is connected with the 2nd bearing-surface,

The heat-conduction part in the way of it can carry out heat transfer with the 1st support and the 2nd support at least One side contacts.

15. projecting apparatus according to claim 13 or claim 14, it is characterised in that

The heat-conduction part is contacted in the way of it can carry out heat transfer with the inner shell.

16. projecting apparatus according to claim 15, it is characterised in that

The inner shell has the heat conductivity position contacted with the heat-conduction part.

Projecting apparatus described in 17. any one in claim 13 to claim 16, it is characterised in that

The projecting apparatus has cooling device, and the cooling device is configured in the inner shell, is made cold in the inner shell But gas circulation,

A part for the cooling gas is circulated to the supporting member.